===============================================
 ORBIT ENGINEERING MAIL DELIVERY DIAGNOSTIC TEST
 Target Email: test@example.com
 Time: 2026-10-26 20:43:11
===============================================


Result: SUCCESS

--- SMTP DEBUG LOG OUTPUT ---
[2026-09-16 22:32:27] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-16 22:32:27] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-16 22:32:27] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-16 22:32:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 17 Sep 2026 04:02:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-16 22:32:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-16 22:32:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-16 22:32:27] Username Response: 334 UGFzc3dvcmQ6
[2026-09-16 22:32:27] Password Response: 235 Authentication succeeded
[2026-09-16 22:32:27] SMTP Authentication Successful!
[2026-09-16 22:32:27] MAIL FROM Response: 250 OK
[2026-09-16 22:32:27] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-16 22:32:27] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-16 22:32:27] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-16 22:32:27] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-16 22:32:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 17 Sep 2026 04:02:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-16 22:32:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-16 22:32:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-16 22:32:27] Username Response: 334 UGFzc3dvcmQ6
[2026-09-16 22:32:27] Password Response: 235 Authentication succeeded
[2026-09-16 22:32:27] SMTP Authentication Successful!
[2026-09-16 22:32:27] MAIL FROM Response: 250 OK
[2026-09-16 22:32:27] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-16 22:32:27] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-16 22:32:27] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-16 22:32:27] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-16 22:32:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 17 Sep 2026 04:02:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-16 22:32:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-16 22:32:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-16 22:32:27] Username Response: 334 UGFzc3dvcmQ6
[2026-09-16 22:32:27] Password Response: 235 Authentication succeeded
[2026-09-16 22:32:27] SMTP Authentication Successful!
[2026-09-16 22:32:27] MAIL FROM Response: 250 OK
[2026-09-16 22:32:27] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-16 22:32:27] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-16 22:32:27] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-16 22:32:27] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-16 22:32:27] Attempting socket connection to 127.0.0.1:25...
[2026-09-16 22:32:27] Connected to 127.0.0.1:25 successfully.
[2026-09-16 22:32:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 17 Sep 2026 04:02:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-16 22:32:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-16 22:32:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-16 22:32:27] Username Response: 334 UGFzc3dvcmQ6
[2026-09-16 22:32:27] Password Response: 235 Authentication succeeded
[2026-09-16 22:32:27] SMTP Authentication Successful!
[2026-09-16 22:32:27] MAIL FROM Response: 250 OK
[2026-09-16 22:32:27] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-16 22:32:27] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-16 22:32:27] Attempting socket connection to localhost:25...
[2026-09-16 22:32:27] Connected to localhost:25 successfully.
[2026-09-16 22:32:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 17 Sep 2026 04:02:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-16 22:32:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-16 22:32:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-16 22:32:27] Username Response: 334 UGFzc3dvcmQ6
[2026-09-16 22:32:27] Password Response: 235 Authentication succeeded
[2026-09-16 22:32:27] SMTP Authentication Successful!
[2026-09-16 22:32:27] MAIL FROM Response: 250 OK
[2026-09-16 22:32:27] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-16 22:32:27] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-16 22:32:27] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-16 22:32:27] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-17 04:38:01] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-17 04:38:01] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-17 04:38:01] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-17 04:38:01] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 17 Sep 2026 10:08:01 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-17 04:38:01] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-17 04:38:01] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-17 04:38:01] Username Response: 334 UGFzc3dvcmQ6
[2026-09-17 04:38:01] Password Response: 235 Authentication succeeded
[2026-09-17 04:38:01] SMTP Authentication Successful!
[2026-09-17 04:38:01] MAIL FROM Response: 250 OK
[2026-09-17 04:38:01] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 04:38:01] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 04:38:01] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-17 04:38:01] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-17 04:38:01] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 17 Sep 2026 10:08:01 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-17 04:38:01] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-17 04:38:01] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-17 04:38:01] Username Response: 334 UGFzc3dvcmQ6
[2026-09-17 04:38:01] Password Response: 235 Authentication succeeded
[2026-09-17 04:38:01] SMTP Authentication Successful!
[2026-09-17 04:38:01] MAIL FROM Response: 250 OK
[2026-09-17 04:38:01] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 04:38:01] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 04:38:01] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-17 04:38:01] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-17 04:38:01] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 17 Sep 2026 10:08:01 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-17 04:38:01] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-17 04:38:01] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-17 04:38:01] Username Response: 334 UGFzc3dvcmQ6
[2026-09-17 04:38:01] Password Response: 235 Authentication succeeded
[2026-09-17 04:38:01] SMTP Authentication Successful!
[2026-09-17 04:38:01] MAIL FROM Response: 250 OK
[2026-09-17 04:38:01] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 04:38:01] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 04:38:01] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-17 04:38:01] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-17 04:38:01] Attempting socket connection to 127.0.0.1:25...
[2026-09-17 04:38:01] Connected to 127.0.0.1:25 successfully.
[2026-09-17 04:38:01] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 17 Sep 2026 10:08:01 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-17 04:38:01] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-17 04:38:01] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-17 04:38:01] Username Response: 334 UGFzc3dvcmQ6
[2026-09-17 04:38:01] Password Response: 235 Authentication succeeded
[2026-09-17 04:38:01] SMTP Authentication Successful!
[2026-09-17 04:38:01] MAIL FROM Response: 250 OK
[2026-09-17 04:38:01] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 04:38:01] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 04:38:01] Attempting socket connection to localhost:25...
[2026-09-17 04:38:01] Connected to localhost:25 successfully.
[2026-09-17 04:38:01] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 17 Sep 2026 10:08:01 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-17 04:38:01] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-17 04:38:01] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-17 04:38:01] Username Response: 334 UGFzc3dvcmQ6
[2026-09-17 04:38:01] Password Response: 235 Authentication succeeded
[2026-09-17 04:38:01] SMTP Authentication Successful!
[2026-09-17 04:38:01] MAIL FROM Response: 250 OK
[2026-09-17 04:38:01] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 04:38:01] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 04:38:01] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-17 04:38:01] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-17 20:26:09] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-17 20:26:09] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-17 20:26:09] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-17 20:26:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 01:56:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-17 20:26:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-17 20:26:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-17 20:26:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-17 20:26:09] Password Response: 235 Authentication succeeded
[2026-09-17 20:26:09] SMTP Authentication Successful!
[2026-09-17 20:26:09] MAIL FROM Response: 250 OK
[2026-09-17 20:26:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 20:26:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 20:26:09] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-17 20:26:09] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-17 20:26:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 01:56:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-17 20:26:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-17 20:26:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-17 20:26:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-17 20:26:09] Password Response: 235 Authentication succeeded
[2026-09-17 20:26:09] SMTP Authentication Successful!
[2026-09-17 20:26:09] MAIL FROM Response: 250 OK
[2026-09-17 20:26:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 20:26:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 20:26:09] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-17 20:26:09] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-17 20:26:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 01:56:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-17 20:26:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-17 20:26:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-17 20:26:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-17 20:26:09] Password Response: 235 Authentication succeeded
[2026-09-17 20:26:09] SMTP Authentication Successful!
[2026-09-17 20:26:09] MAIL FROM Response: 250 OK
[2026-09-17 20:26:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 20:26:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 20:26:09] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-17 20:26:09] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-17 20:26:09] Attempting socket connection to 127.0.0.1:25...
[2026-09-17 20:26:09] Connected to 127.0.0.1:25 successfully.
[2026-09-17 20:26:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 01:56:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-17 20:26:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-17 20:26:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-17 20:26:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-17 20:26:09] Password Response: 235 Authentication succeeded
[2026-09-17 20:26:09] SMTP Authentication Successful!
[2026-09-17 20:26:09] MAIL FROM Response: 250 OK
[2026-09-17 20:26:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 20:26:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 20:26:09] Attempting socket connection to localhost:25...
[2026-09-17 20:26:09] Connected to localhost:25 successfully.
[2026-09-17 20:26:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 01:56:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-17 20:26:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-17 20:26:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-17 20:26:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-17 20:26:09] Password Response: 235 Authentication succeeded
[2026-09-17 20:26:09] SMTP Authentication Successful!
[2026-09-17 20:26:09] MAIL FROM Response: 250 OK
[2026-09-17 20:26:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 20:26:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-17 20:26:09] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-17 20:26:10] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-18 08:17:08] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-18 08:17:08] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-18 08:17:08] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-18 08:17:08] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 13:47:08 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 08:17:08] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-18 08:17:08] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 08:17:08] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 08:17:08] Password Response: 235 Authentication succeeded
[2026-09-18 08:17:08] SMTP Authentication Successful!
[2026-09-18 08:17:08] MAIL FROM Response: 250 OK
[2026-09-18 08:17:08] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:08] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:08] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-18 08:17:08] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-18 08:17:08] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 13:47:08 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 08:17:08] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-18 08:17:08] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 08:17:08] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 08:17:08] Password Response: 235 Authentication succeeded
[2026-09-18 08:17:08] SMTP Authentication Successful!
[2026-09-18 08:17:08] MAIL FROM Response: 250 OK
[2026-09-18 08:17:08] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:08] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:08] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-18 08:17:08] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-18 08:17:08] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 13:47:08 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 08:17:08] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-18 08:17:08] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 08:17:08] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 08:17:08] Password Response: 235 Authentication succeeded
[2026-09-18 08:17:08] SMTP Authentication Successful!
[2026-09-18 08:17:08] MAIL FROM Response: 250 OK
[2026-09-18 08:17:08] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:08] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:08] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-18 08:17:08] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-18 08:17:08] Attempting socket connection to 127.0.0.1:25...
[2026-09-18 08:17:08] Connected to 127.0.0.1:25 successfully.
[2026-09-18 08:17:08] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 13:47:08 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 08:17:08] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-18 08:17:08] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 08:17:08] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 08:17:08] Password Response: 235 Authentication succeeded
[2026-09-18 08:17:08] SMTP Authentication Successful!
[2026-09-18 08:17:08] MAIL FROM Response: 250 OK
[2026-09-18 08:17:08] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:08] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:08] Attempting socket connection to localhost:25...
[2026-09-18 08:17:08] Connected to localhost:25 successfully.
[2026-09-18 08:17:08] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 13:47:08 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 08:17:08] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-18 08:17:08] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 08:17:08] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 08:17:08] Password Response: 235 Authentication succeeded
[2026-09-18 08:17:08] SMTP Authentication Successful!
[2026-09-18 08:17:08] MAIL FROM Response: 250 OK
[2026-09-18 08:17:08] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:08] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:08] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-18 08:17:08] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-18 08:17:08] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-18 08:17:08] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-18 08:17:08] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-18 08:17:08] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 13:47:08 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 08:17:08] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-18 08:17:08] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 08:17:08] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 08:17:08] Password Response: 235 Authentication succeeded
[2026-09-18 08:17:08] SMTP Authentication Successful!
[2026-09-18 08:17:08] MAIL FROM Response: 250 OK
[2026-09-18 08:17:08] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:08] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:08] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-18 08:17:08] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-18 08:17:08] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 13:47:08 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 08:17:08] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-18 08:17:08] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 08:17:08] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 08:17:08] Password Response: 235 Authentication succeeded
[2026-09-18 08:17:08] SMTP Authentication Successful!
[2026-09-18 08:17:08] MAIL FROM Response: 250 OK
[2026-09-18 08:17:08] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:08] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:08] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-18 08:17:09] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-18 08:17:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 13:47:08 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 08:17:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-18 08:17:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 08:17:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 08:17:09] Password Response: 235 Authentication succeeded
[2026-09-18 08:17:09] SMTP Authentication Successful!
[2026-09-18 08:17:09] MAIL FROM Response: 250 OK
[2026-09-18 08:17:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:09] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-18 08:17:09] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-18 08:17:09] Attempting socket connection to 127.0.0.1:25...
[2026-09-18 08:17:09] Connected to 127.0.0.1:25 successfully.
[2026-09-18 08:17:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 13:47:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 08:17:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-18 08:17:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 08:17:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 08:17:09] Password Response: 235 Authentication succeeded
[2026-09-18 08:17:09] SMTP Authentication Successful!
[2026-09-18 08:17:09] MAIL FROM Response: 250 OK
[2026-09-18 08:17:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:09] Attempting socket connection to localhost:25...
[2026-09-18 08:17:09] Connected to localhost:25 successfully.
[2026-09-18 08:17:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 18 Sep 2026 13:47:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 08:17:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-18 08:17:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 08:17:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 08:17:09] Password Response: 235 Authentication succeeded
[2026-09-18 08:17:09] SMTP Authentication Successful!
[2026-09-18 08:17:09] MAIL FROM Response: 250 OK
[2026-09-18 08:17:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 08:17:09] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-18 08:17:09] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-18 20:23:16] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-18 20:23:16] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-18 20:23:16] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-18 20:23:16] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 19 Sep 2026 01:53:16 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 20:23:16] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-18 20:23:16] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 20:23:16] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 20:23:16] Password Response: 235 Authentication succeeded
[2026-09-18 20:23:16] SMTP Authentication Successful!
[2026-09-18 20:23:16] MAIL FROM Response: 250 OK
[2026-09-18 20:23:16] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 20:23:16] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 20:23:16] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-18 20:23:16] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-18 20:23:16] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 19 Sep 2026 01:53:16 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 20:23:16] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-18 20:23:16] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 20:23:16] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 20:23:16] Password Response: 235 Authentication succeeded
[2026-09-18 20:23:16] SMTP Authentication Successful!
[2026-09-18 20:23:16] MAIL FROM Response: 250 OK
[2026-09-18 20:23:16] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 20:23:16] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 20:23:16] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-18 20:23:16] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-18 20:23:16] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 19 Sep 2026 01:53:16 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 20:23:16] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-18 20:23:16] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 20:23:16] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 20:23:16] Password Response: 235 Authentication succeeded
[2026-09-18 20:23:16] SMTP Authentication Successful!
[2026-09-18 20:23:16] MAIL FROM Response: 250 OK
[2026-09-18 20:23:16] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 20:23:16] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 20:23:16] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-18 20:23:16] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-18 20:23:16] Attempting socket connection to 127.0.0.1:25...
[2026-09-18 20:23:16] Connected to 127.0.0.1:25 successfully.
[2026-09-18 20:23:16] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 19 Sep 2026 01:53:16 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 20:23:16] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-18 20:23:16] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 20:23:16] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 20:23:16] Password Response: 235 Authentication succeeded
[2026-09-18 20:23:16] SMTP Authentication Successful!
[2026-09-18 20:23:16] MAIL FROM Response: 250 OK
[2026-09-18 20:23:16] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 20:23:16] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 20:23:16] Attempting socket connection to localhost:25...
[2026-09-18 20:23:16] Connected to localhost:25 successfully.
[2026-09-18 20:23:16] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 19 Sep 2026 01:53:16 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-18 20:23:16] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-18 20:23:16] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-18 20:23:16] Username Response: 334 UGFzc3dvcmQ6
[2026-09-18 20:23:16] Password Response: 235 Authentication succeeded
[2026-09-18 20:23:16] SMTP Authentication Successful!
[2026-09-18 20:23:16] MAIL FROM Response: 250 OK
[2026-09-18 20:23:16] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 20:23:16] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-18 20:23:16] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-18 20:23:16] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-19 04:03:12] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-19 04:03:12] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-19 04:03:12] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-19 04:03:12] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 19 Sep 2026 09:33:12 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-19 04:03:12] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-19 04:03:12] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-19 04:03:12] Username Response: 334 UGFzc3dvcmQ6
[2026-09-19 04:03:12] Password Response: 235 Authentication succeeded
[2026-09-19 04:03:12] SMTP Authentication Successful!
[2026-09-19 04:03:12] MAIL FROM Response: 250 OK
[2026-09-19 04:03:12] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-19 04:03:12] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-19 04:03:12] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-19 04:03:12] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-19 04:03:12] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 19 Sep 2026 09:33:12 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-19 04:03:12] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-19 04:03:12] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-19 04:03:12] Username Response: 334 UGFzc3dvcmQ6
[2026-09-19 04:03:12] Password Response: 235 Authentication succeeded
[2026-09-19 04:03:12] SMTP Authentication Successful!
[2026-09-19 04:03:12] MAIL FROM Response: 250 OK
[2026-09-19 04:03:12] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-19 04:03:12] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-19 04:03:12] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-19 04:03:12] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-19 04:03:12] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 19 Sep 2026 09:33:12 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-19 04:03:12] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-19 04:03:12] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-19 04:03:12] Username Response: 334 UGFzc3dvcmQ6
[2026-09-19 04:03:12] Password Response: 235 Authentication succeeded
[2026-09-19 04:03:12] SMTP Authentication Successful!
[2026-09-19 04:03:12] MAIL FROM Response: 250 OK
[2026-09-19 04:03:12] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-19 04:03:12] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-19 04:03:12] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-19 04:03:12] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-19 04:03:12] Attempting socket connection to 127.0.0.1:25...
[2026-09-19 04:03:12] Connected to 127.0.0.1:25 successfully.
[2026-09-19 04:03:12] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 19 Sep 2026 09:33:12 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-19 04:03:13] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-19 04:03:13] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-19 04:03:13] Username Response: 334 UGFzc3dvcmQ6
[2026-09-19 04:03:13] Password Response: 235 Authentication succeeded
[2026-09-19 04:03:13] SMTP Authentication Successful!
[2026-09-19 04:03:13] MAIL FROM Response: 250 OK
[2026-09-19 04:03:13] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-19 04:03:13] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-19 04:03:13] Attempting socket connection to localhost:25...
[2026-09-19 04:03:13] Connected to localhost:25 successfully.
[2026-09-19 04:03:13] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 19 Sep 2026 09:33:13 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-19 04:03:13] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-19 04:03:13] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-19 04:03:13] Username Response: 334 UGFzc3dvcmQ6
[2026-09-19 04:03:13] Password Response: 235 Authentication succeeded
[2026-09-19 04:03:13] SMTP Authentication Successful!
[2026-09-19 04:03:13] MAIL FROM Response: 250 OK
[2026-09-19 04:03:13] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-19 04:03:13] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-19 04:03:13] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-19 04:03:13] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-19 10:50:01] === Starting sendSmtpEmail to: inficomui@gmail.com | Subject: Your Password Reset OTP - Well n Heal ===
[2026-09-19 10:50:01] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-19 10:50:01] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-19 10:50:01] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 19 Sep 2026 16:20:01 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-19 10:50:01] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-19 10:50:01] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-19 10:50:01] Username Response: 334 UGFzc3dvcmQ6
[2026-09-19 10:50:01] Password Response: 235 Authentication succeeded
[2026-09-19 10:50:01] SMTP Authentication Successful!
[2026-09-19 10:50:01] MAIL FROM Response: 250 OK
[2026-09-19 10:50:01] RCPT TO Response: 250 Accepted
[2026-09-19 10:50:01] DATA Init Response: 354 Enter message, ending with "." on a line by itself
[2026-09-19 10:50:01] DATA End Response: 250 OK id=1x7sdy-00000003HER-0nSa
[2026-09-19 10:50:01] >>> EMAIL SENT SUCCESSFULLY VIA SMTP! <<<
[2026-09-19 10:50:28] === Starting sendSmtpEmail to: inficomui@gmail.com | Subject: Password Reset Link - Well n Heal ===
[2026-09-19 10:50:28] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-19 10:50:28] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-19 10:50:28] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 19 Sep 2026 16:20:28 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-19 10:50:28] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-19 10:50:28] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-19 10:50:28] Username Response: 334 UGFzc3dvcmQ6
[2026-09-19 10:50:28] Password Response: 235 Authentication succeeded
[2026-09-19 10:50:28] SMTP Authentication Successful!
[2026-09-19 10:50:28] MAIL FROM Response: 250 OK
[2026-09-19 10:50:28] RCPT TO Response: 250 Accepted
[2026-09-19 10:50:28] DATA Init Response: 354 Enter message, ending with "." on a line by itself
[2026-09-19 10:50:28] DATA End Response: 250 OK id=1x7seO-00000003Hw2-3wXX
[2026-09-19 10:50:28] >>> EMAIL SENT SUCCESSFULLY VIA SMTP! <<<
[2026-09-20 08:33:02] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-20 08:33:02] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-20 08:33:02] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-20 08:33:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 20 Sep 2026 14:03:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 08:33:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-20 08:33:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 08:33:02] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 08:33:02] Password Response: 235 Authentication succeeded
[2026-09-20 08:33:02] SMTP Authentication Successful!
[2026-09-20 08:33:02] MAIL FROM Response: 250 OK
[2026-09-20 08:33:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:02] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-20 08:33:02] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-20 08:33:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 20 Sep 2026 14:03:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 08:33:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-20 08:33:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 08:33:02] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 08:33:02] Password Response: 235 Authentication succeeded
[2026-09-20 08:33:02] SMTP Authentication Successful!
[2026-09-20 08:33:02] MAIL FROM Response: 250 OK
[2026-09-20 08:33:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:02] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-20 08:33:02] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-20 08:33:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 20 Sep 2026 14:03:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 08:33:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-20 08:33:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 08:33:02] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 08:33:02] Password Response: 235 Authentication succeeded
[2026-09-20 08:33:02] SMTP Authentication Successful!
[2026-09-20 08:33:02] MAIL FROM Response: 250 OK
[2026-09-20 08:33:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:02] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-20 08:33:02] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-20 08:33:02] Attempting socket connection to 127.0.0.1:25...
[2026-09-20 08:33:02] Connected to 127.0.0.1:25 successfully.
[2026-09-20 08:33:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 20 Sep 2026 14:03:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 08:33:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-20 08:33:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 08:33:02] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 08:33:02] Password Response: 235 Authentication succeeded
[2026-09-20 08:33:02] SMTP Authentication Successful!
[2026-09-20 08:33:02] MAIL FROM Response: 250 OK
[2026-09-20 08:33:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:02] Attempting socket connection to localhost:25...
[2026-09-20 08:33:02] Connected to localhost:25 successfully.
[2026-09-20 08:33:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 20 Sep 2026 14:03:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 08:33:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-20 08:33:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 08:33:02] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 08:33:02] Password Response: 235 Authentication succeeded
[2026-09-20 08:33:02] SMTP Authentication Successful!
[2026-09-20 08:33:02] MAIL FROM Response: 250 OK
[2026-09-20 08:33:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:02] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-20 08:33:03] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-20 08:33:04] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-20 08:33:04] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-20 08:33:04] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-20 08:33:04] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 20 Sep 2026 14:03:04 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 08:33:04] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-20 08:33:04] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 08:33:04] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 08:33:04] Password Response: 235 Authentication succeeded
[2026-09-20 08:33:04] SMTP Authentication Successful!
[2026-09-20 08:33:04] MAIL FROM Response: 250 OK
[2026-09-20 08:33:04] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:04] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:04] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-20 08:33:04] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-20 08:33:04] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 20 Sep 2026 14:03:04 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 08:33:04] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-20 08:33:04] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 08:33:04] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 08:33:04] Password Response: 235 Authentication succeeded
[2026-09-20 08:33:04] SMTP Authentication Successful!
[2026-09-20 08:33:04] MAIL FROM Response: 250 OK
[2026-09-20 08:33:04] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:04] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:04] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-20 08:33:04] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-20 08:33:04] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 20 Sep 2026 14:03:04 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 08:33:04] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-20 08:33:04] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 08:33:04] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 08:33:04] Password Response: 235 Authentication succeeded
[2026-09-20 08:33:04] SMTP Authentication Successful!
[2026-09-20 08:33:04] MAIL FROM Response: 250 OK
[2026-09-20 08:33:04] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:04] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:04] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-20 08:33:04] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-20 08:33:04] Attempting socket connection to 127.0.0.1:25...
[2026-09-20 08:33:04] Connected to 127.0.0.1:25 successfully.
[2026-09-20 08:33:04] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 20 Sep 2026 14:03:04 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 08:33:04] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-20 08:33:04] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 08:33:04] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 08:33:04] Password Response: 235 Authentication succeeded
[2026-09-20 08:33:04] SMTP Authentication Successful!
[2026-09-20 08:33:04] MAIL FROM Response: 250 OK
[2026-09-20 08:33:04] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:04] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:04] Attempting socket connection to localhost:25...
[2026-09-20 08:33:04] Connected to localhost:25 successfully.
[2026-09-20 08:33:04] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 20 Sep 2026 14:03:04 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 08:33:04] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-20 08:33:04] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 08:33:04] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 08:33:04] Password Response: 235 Authentication succeeded
[2026-09-20 08:33:04] SMTP Authentication Successful!
[2026-09-20 08:33:04] MAIL FROM Response: 250 OK
[2026-09-20 08:33:04] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:04] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 08:33:04] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-20 08:33:04] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-20 19:07:10] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-20 19:07:10] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-20 19:07:10] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-20 19:07:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 00:37:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 19:07:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-20 19:07:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 19:07:10] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 19:07:10] Password Response: 235 Authentication succeeded
[2026-09-20 19:07:10] SMTP Authentication Successful!
[2026-09-20 19:07:10] MAIL FROM Response: 250 OK
[2026-09-20 19:07:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 19:07:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 19:07:10] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-20 19:07:10] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-20 19:07:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 00:37:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 19:07:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-20 19:07:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 19:07:10] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 19:07:10] Password Response: 235 Authentication succeeded
[2026-09-20 19:07:10] SMTP Authentication Successful!
[2026-09-20 19:07:10] MAIL FROM Response: 250 OK
[2026-09-20 19:07:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 19:07:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 19:07:10] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-20 19:07:10] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-20 19:07:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 00:37:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 19:07:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-20 19:07:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 19:07:10] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 19:07:10] Password Response: 235 Authentication succeeded
[2026-09-20 19:07:10] SMTP Authentication Successful!
[2026-09-20 19:07:10] MAIL FROM Response: 250 OK
[2026-09-20 19:07:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 19:07:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 19:07:10] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-20 19:07:10] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-20 19:07:10] Attempting socket connection to 127.0.0.1:25...
[2026-09-20 19:07:10] Connected to 127.0.0.1:25 successfully.
[2026-09-20 19:07:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 00:37:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 19:07:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-20 19:07:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 19:07:10] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 19:07:10] Password Response: 235 Authentication succeeded
[2026-09-20 19:07:10] SMTP Authentication Successful!
[2026-09-20 19:07:10] MAIL FROM Response: 250 OK
[2026-09-20 19:07:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 19:07:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 19:07:10] Attempting socket connection to localhost:25...
[2026-09-20 19:07:10] Connected to localhost:25 successfully.
[2026-09-20 19:07:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 00:37:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-20 19:07:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-20 19:07:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-20 19:07:10] Username Response: 334 UGFzc3dvcmQ6
[2026-09-20 19:07:10] Password Response: 235 Authentication succeeded
[2026-09-20 19:07:10] SMTP Authentication Successful!
[2026-09-20 19:07:10] MAIL FROM Response: 250 OK
[2026-09-20 19:07:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 19:07:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-20 19:07:10] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-20 19:07:10] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-21 04:49:15] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-21 04:49:15] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-21 04:49:15] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-21 04:49:15] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 10:19:15 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 04:49:15] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-21 04:49:15] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 04:49:15] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 04:49:15] Password Response: 235 Authentication succeeded
[2026-09-21 04:49:15] SMTP Authentication Successful!
[2026-09-21 04:49:15] MAIL FROM Response: 250 OK
[2026-09-21 04:49:15] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 04:49:15] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 04:49:15] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-21 04:49:15] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-21 04:49:15] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 10:19:15 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 04:49:15] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-21 04:49:15] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 04:49:15] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 04:49:15] Password Response: 235 Authentication succeeded
[2026-09-21 04:49:15] SMTP Authentication Successful!
[2026-09-21 04:49:15] MAIL FROM Response: 250 OK
[2026-09-21 04:49:15] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 04:49:15] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 04:49:15] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-21 04:49:15] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-21 04:49:15] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 10:19:15 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 04:49:15] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-21 04:49:15] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 04:49:15] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 04:49:15] Password Response: 235 Authentication succeeded
[2026-09-21 04:49:15] SMTP Authentication Successful!
[2026-09-21 04:49:15] MAIL FROM Response: 250 OK
[2026-09-21 04:49:15] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 04:49:15] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 04:49:15] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-21 04:49:15] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-21 04:49:15] Attempting socket connection to 127.0.0.1:25...
[2026-09-21 04:49:15] Connected to 127.0.0.1:25 successfully.
[2026-09-21 04:49:15] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 10:19:15 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 04:49:15] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-21 04:49:15] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 04:49:15] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 04:49:15] Password Response: 235 Authentication succeeded
[2026-09-21 04:49:15] SMTP Authentication Successful!
[2026-09-21 04:49:15] MAIL FROM Response: 250 OK
[2026-09-21 04:49:15] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 04:49:15] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 04:49:15] Attempting socket connection to localhost:25...
[2026-09-21 04:49:15] Connected to localhost:25 successfully.
[2026-09-21 04:49:15] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 10:19:15 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 04:49:15] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-21 04:49:15] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 04:49:15] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 04:49:15] Password Response: 235 Authentication succeeded
[2026-09-21 04:49:15] SMTP Authentication Successful!
[2026-09-21 04:49:15] MAIL FROM Response: 250 OK
[2026-09-21 04:49:15] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 04:49:15] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 04:49:15] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-21 04:49:15] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-21 16:56:41] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-21 16:56:41] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-21 16:56:41] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-21 16:56:41] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 22:26:41 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 16:56:41] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-21 16:56:41] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 16:56:41] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 16:56:41] Password Response: 235 Authentication succeeded
[2026-09-21 16:56:41] SMTP Authentication Successful!
[2026-09-21 16:56:41] MAIL FROM Response: 250 OK
[2026-09-21 16:56:41] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 16:56:41] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 16:56:41] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-21 16:56:41] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-21 16:56:41] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 22:26:41 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 16:56:41] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-21 16:56:41] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 16:56:41] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 16:56:41] Password Response: 235 Authentication succeeded
[2026-09-21 16:56:41] SMTP Authentication Successful!
[2026-09-21 16:56:41] MAIL FROM Response: 250 OK
[2026-09-21 16:56:41] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 16:56:41] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 16:56:41] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-21 16:56:41] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-21 16:56:41] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 22:26:41 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 16:56:41] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-21 16:56:41] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 16:56:41] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 16:56:41] Password Response: 235 Authentication succeeded
[2026-09-21 16:56:41] SMTP Authentication Successful!
[2026-09-21 16:56:41] MAIL FROM Response: 250 OK
[2026-09-21 16:56:41] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 16:56:41] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 16:56:41] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-21 16:56:41] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-21 16:56:41] Attempting socket connection to 127.0.0.1:25...
[2026-09-21 16:56:41] Connected to 127.0.0.1:25 successfully.
[2026-09-21 16:56:41] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 22:26:41 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 16:56:41] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-21 16:56:41] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 16:56:41] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 16:56:41] Password Response: 235 Authentication succeeded
[2026-09-21 16:56:41] SMTP Authentication Successful!
[2026-09-21 16:56:41] MAIL FROM Response: 250 OK
[2026-09-21 16:56:41] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 16:56:41] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 16:56:41] Attempting socket connection to localhost:25...
[2026-09-21 16:56:41] Connected to localhost:25 successfully.
[2026-09-21 16:56:41] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 21 Sep 2026 22:26:41 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 16:56:41] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-21 16:56:41] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 16:56:41] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 16:56:41] Password Response: 235 Authentication succeeded
[2026-09-21 16:56:41] SMTP Authentication Successful!
[2026-09-21 16:56:41] MAIL FROM Response: 250 OK
[2026-09-21 16:56:41] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 16:56:41] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 16:56:41] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-21 16:56:41] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-21 23:59:13] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-21 23:59:13] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-21 23:59:13] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-21 23:59:13] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 05:29:13 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 23:59:13] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-21 23:59:13] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 23:59:13] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 23:59:13] Password Response: 235 Authentication succeeded
[2026-09-21 23:59:13] SMTP Authentication Successful!
[2026-09-21 23:59:13] MAIL FROM Response: 250 OK
[2026-09-21 23:59:13] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 23:59:13] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 23:59:13] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-21 23:59:14] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-21 23:59:14] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 05:29:14 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 23:59:14] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-21 23:59:14] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 23:59:14] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 23:59:14] Password Response: 235 Authentication succeeded
[2026-09-21 23:59:14] SMTP Authentication Successful!
[2026-09-21 23:59:14] MAIL FROM Response: 250 OK
[2026-09-21 23:59:14] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 23:59:14] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 23:59:14] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-21 23:59:14] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-21 23:59:14] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 05:29:14 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 23:59:14] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-21 23:59:14] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 23:59:14] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 23:59:14] Password Response: 235 Authentication succeeded
[2026-09-21 23:59:14] SMTP Authentication Successful!
[2026-09-21 23:59:14] MAIL FROM Response: 250 OK
[2026-09-21 23:59:14] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 23:59:14] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 23:59:14] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-21 23:59:14] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-21 23:59:14] Attempting socket connection to 127.0.0.1:25...
[2026-09-21 23:59:14] Connected to 127.0.0.1:25 successfully.
[2026-09-21 23:59:14] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 05:29:14 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 23:59:14] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-21 23:59:14] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 23:59:14] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 23:59:14] Password Response: 235 Authentication succeeded
[2026-09-21 23:59:14] SMTP Authentication Successful!
[2026-09-21 23:59:14] MAIL FROM Response: 250 OK
[2026-09-21 23:59:14] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 23:59:14] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 23:59:14] Attempting socket connection to localhost:25...
[2026-09-21 23:59:14] Connected to localhost:25 successfully.
[2026-09-21 23:59:14] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 05:29:14 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-21 23:59:14] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-21 23:59:14] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-21 23:59:14] Username Response: 334 UGFzc3dvcmQ6
[2026-09-21 23:59:14] Password Response: 235 Authentication succeeded
[2026-09-21 23:59:14] SMTP Authentication Successful!
[2026-09-21 23:59:14] MAIL FROM Response: 250 OK
[2026-09-21 23:59:14] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 23:59:14] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-21 23:59:14] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-21 23:59:14] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-22 08:15:47] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-22 08:15:47] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-22 08:15:47] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-22 08:15:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 13:45:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 08:15:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-22 08:15:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 08:15:47] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 08:15:47] Password Response: 235 Authentication succeeded
[2026-09-22 08:15:47] SMTP Authentication Successful!
[2026-09-22 08:15:47] MAIL FROM Response: 250 OK
[2026-09-22 08:15:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-22 08:15:47] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-22 08:15:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 13:45:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 08:15:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-22 08:15:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 08:15:47] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 08:15:47] Password Response: 235 Authentication succeeded
[2026-09-22 08:15:47] SMTP Authentication Successful!
[2026-09-22 08:15:47] MAIL FROM Response: 250 OK
[2026-09-22 08:15:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-22 08:15:47] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-22 08:15:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 13:45:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 08:15:47] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-22 08:15:47] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-22 08:15:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-22 08:15:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 08:15:47] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 08:15:47] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-22 08:15:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 13:45:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 08:15:47] Password Response: 235 Authentication succeeded
[2026-09-22 08:15:47] SMTP Authentication Successful!
[2026-09-22 08:15:47] MAIL FROM Response: 250 OK
[2026-09-22 08:15:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-22 08:15:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-22 08:15:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 08:15:47] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 08:15:47] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-22 08:15:47] Attempting socket connection to 127.0.0.1:25...
[2026-09-22 08:15:47] Connected to 127.0.0.1:25 successfully.
[2026-09-22 08:15:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 13:45:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 08:15:47] Password Response: 235 Authentication succeeded
[2026-09-22 08:15:47] SMTP Authentication Successful!
[2026-09-22 08:15:47] MAIL FROM Response: 250 OK
[2026-09-22 08:15:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-22 08:15:47] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-22 08:15:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 13:45:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 08:15:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-22 08:15:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 08:15:47] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 08:15:47] Password Response: 235 Authentication succeeded
[2026-09-22 08:15:47] SMTP Authentication Successful!
[2026-09-22 08:15:47] MAIL FROM Response: 250 OK
[2026-09-22 08:15:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-22 08:15:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 08:15:47] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 08:15:47] Password Response: 235 Authentication succeeded
[2026-09-22 08:15:47] SMTP Authentication Successful!
[2026-09-22 08:15:47] MAIL FROM Response: 250 OK
[2026-09-22 08:15:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] Attempting socket connection to localhost:25...
[2026-09-22 08:15:47] Connected to localhost:25 successfully.
[2026-09-22 08:15:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 13:45:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 08:15:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-22 08:15:47] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-22 08:15:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 13:45:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 08:15:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-22 08:15:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 08:15:47] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 08:15:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-22 08:15:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 08:15:47] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 08:15:47] Password Response: 235 Authentication succeeded
[2026-09-22 08:15:47] SMTP Authentication Successful!
[2026-09-22 08:15:47] MAIL FROM Response: 250 OK
[2026-09-22 08:15:47] Password Response: 235 Authentication succeeded
[2026-09-22 08:15:47] SMTP Authentication Successful!
[2026-09-22 08:15:47] MAIL FROM Response: 250 OK
[2026-09-22 08:15:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-22 08:15:47] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-22 08:15:47] Attempting socket connection to 127.0.0.1:25...
[2026-09-22 08:15:47] Connected to 127.0.0.1:25 successfully.
[2026-09-22 08:15:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 13:45:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 08:15:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-22 08:15:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-22 08:15:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 08:15:47] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 08:15:47] Password Response: 235 Authentication succeeded
[2026-09-22 08:15:47] SMTP Authentication Successful!
[2026-09-22 08:15:47] MAIL FROM Response: 250 OK
[2026-09-22 08:15:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] Attempting socket connection to localhost:25...
[2026-09-22 08:15:47] Connected to localhost:25 successfully.
[2026-09-22 08:15:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 13:45:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 08:15:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-22 08:15:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 08:15:47] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 08:15:47] Password Response: 235 Authentication succeeded
[2026-09-22 08:15:47] SMTP Authentication Successful!
[2026-09-22 08:15:47] MAIL FROM Response: 250 OK
[2026-09-22 08:15:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 08:15:47] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-22 08:15:48] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-22 08:15:48] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-22 14:43:26] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-22 14:43:26] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-22 14:43:26] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-22 14:43:26] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 20:13:26 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 14:43:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-22 14:43:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 14:43:26] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 14:43:26] Password Response: 235 Authentication succeeded
[2026-09-22 14:43:26] SMTP Authentication Successful!
[2026-09-22 14:43:26] MAIL FROM Response: 250 OK
[2026-09-22 14:43:26] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 14:43:26] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 14:43:26] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-22 14:43:26] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-22 14:43:26] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 20:13:26 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 14:43:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-22 14:43:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 14:43:26] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 14:43:26] Password Response: 235 Authentication succeeded
[2026-09-22 14:43:26] SMTP Authentication Successful!
[2026-09-22 14:43:26] MAIL FROM Response: 250 OK
[2026-09-22 14:43:26] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 14:43:26] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 14:43:26] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-22 14:43:26] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-22 14:43:26] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 20:13:26 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 14:43:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-22 14:43:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 14:43:26] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 14:43:26] Password Response: 235 Authentication succeeded
[2026-09-22 14:43:26] SMTP Authentication Successful!
[2026-09-22 14:43:26] MAIL FROM Response: 250 OK
[2026-09-22 14:43:26] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 14:43:26] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 14:43:26] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-22 14:43:26] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-22 14:43:26] Attempting socket connection to 127.0.0.1:25...
[2026-09-22 14:43:26] Connected to 127.0.0.1:25 successfully.
[2026-09-22 14:43:26] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 20:13:26 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 14:43:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-22 14:43:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 14:43:26] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 14:43:26] Password Response: 235 Authentication succeeded
[2026-09-22 14:43:26] SMTP Authentication Successful!
[2026-09-22 14:43:26] MAIL FROM Response: 250 OK
[2026-09-22 14:43:26] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 14:43:26] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 14:43:26] Attempting socket connection to localhost:25...
[2026-09-22 14:43:26] Connected to localhost:25 successfully.
[2026-09-22 14:43:26] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 22 Sep 2026 20:13:26 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-22 14:43:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-22 14:43:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-22 14:43:26] Username Response: 334 UGFzc3dvcmQ6
[2026-09-22 14:43:26] Password Response: 235 Authentication succeeded
[2026-09-22 14:43:26] SMTP Authentication Successful!
[2026-09-22 14:43:26] MAIL FROM Response: 250 OK
[2026-09-22 14:43:26] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 14:43:26] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-22 14:43:26] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-22 14:43:26] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-23 09:48:08] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-23 09:48:08] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-23 09:48:08] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-23 09:48:08] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 23 Sep 2026 15:18:08 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-23 09:48:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-23 09:48:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-23 09:48:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-23 09:48:09] Password Response: 235 Authentication succeeded
[2026-09-23 09:48:09] SMTP Authentication Successful!
[2026-09-23 09:48:09] MAIL FROM Response: 250 OK
[2026-09-23 09:48:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-23 09:48:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-23 09:48:09] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-23 09:48:09] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-23 09:48:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 23 Sep 2026 15:18:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-23 09:48:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-23 09:48:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-23 09:48:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-23 09:48:09] Password Response: 235 Authentication succeeded
[2026-09-23 09:48:09] SMTP Authentication Successful!
[2026-09-23 09:48:09] MAIL FROM Response: 250 OK
[2026-09-23 09:48:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-23 09:48:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-23 09:48:09] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-23 09:48:09] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-23 09:48:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 23 Sep 2026 15:18:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-23 09:48:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-23 09:48:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-23 09:48:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-23 09:48:09] Password Response: 235 Authentication succeeded
[2026-09-23 09:48:09] SMTP Authentication Successful!
[2026-09-23 09:48:09] MAIL FROM Response: 250 OK
[2026-09-23 09:48:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-23 09:48:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-23 09:48:09] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-23 09:48:09] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-23 09:48:09] Attempting socket connection to 127.0.0.1:25...
[2026-09-23 09:48:09] Connected to 127.0.0.1:25 successfully.
[2026-09-23 09:48:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 23 Sep 2026 15:18:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-23 09:48:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-23 09:48:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-23 09:48:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-23 09:48:09] Password Response: 235 Authentication succeeded
[2026-09-23 09:48:09] SMTP Authentication Successful!
[2026-09-23 09:48:09] MAIL FROM Response: 250 OK
[2026-09-23 09:48:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-23 09:48:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-23 09:48:09] Attempting socket connection to localhost:25...
[2026-09-23 09:48:09] Connected to localhost:25 successfully.
[2026-09-23 09:48:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 23 Sep 2026 15:18:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-23 09:48:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-23 09:48:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-23 09:48:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-23 09:48:09] Password Response: 235 Authentication succeeded
[2026-09-23 09:48:09] SMTP Authentication Successful!
[2026-09-23 09:48:09] MAIL FROM Response: 250 OK
[2026-09-23 09:48:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-23 09:48:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-23 09:48:09] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-23 09:48:09] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-25 07:35:04] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-25 07:35:04] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-25 07:35:04] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-25 07:35:04] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 25 Sep 2026 13:05:04 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-25 07:35:04] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-25 07:35:04] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-25 07:35:04] Username Response: 334 UGFzc3dvcmQ6
[2026-09-25 07:35:05] Password Response: 235 Authentication succeeded
[2026-09-25 07:35:05] SMTP Authentication Successful!
[2026-09-25 07:35:05] MAIL FROM Response: 250 OK
[2026-09-25 07:35:05] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 07:35:05] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 07:35:05] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-25 07:35:05] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-25 07:35:05] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 25 Sep 2026 13:05:05 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-25 07:35:05] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-25 07:35:05] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-25 07:35:05] Username Response: 334 UGFzc3dvcmQ6
[2026-09-25 07:35:05] Password Response: 235 Authentication succeeded
[2026-09-25 07:35:05] SMTP Authentication Successful!
[2026-09-25 07:35:05] MAIL FROM Response: 250 OK
[2026-09-25 07:35:05] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 07:35:05] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 07:35:05] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-25 07:35:05] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-25 07:35:05] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 25 Sep 2026 13:05:05 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-25 07:35:05] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-25 07:35:05] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-25 07:35:05] Username Response: 334 UGFzc3dvcmQ6
[2026-09-25 07:35:05] Password Response: 235 Authentication succeeded
[2026-09-25 07:35:05] SMTP Authentication Successful!
[2026-09-25 07:35:05] MAIL FROM Response: 250 OK
[2026-09-25 07:35:05] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 07:35:05] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 07:35:05] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-25 07:35:05] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-25 07:35:05] Attempting socket connection to 127.0.0.1:25...
[2026-09-25 07:35:05] Connected to 127.0.0.1:25 successfully.
[2026-09-25 07:35:05] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 25 Sep 2026 13:05:05 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-25 07:35:05] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-25 07:35:05] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-25 07:35:05] Username Response: 334 UGFzc3dvcmQ6
[2026-09-25 07:35:05] Password Response: 235 Authentication succeeded
[2026-09-25 07:35:05] SMTP Authentication Successful!
[2026-09-25 07:35:05] MAIL FROM Response: 250 OK
[2026-09-25 07:35:05] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 07:35:05] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 07:35:05] Attempting socket connection to localhost:25...
[2026-09-25 07:35:05] Connected to localhost:25 successfully.
[2026-09-25 07:35:05] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 25 Sep 2026 13:05:05 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-25 07:35:05] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-25 07:35:05] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-25 07:35:05] Username Response: 334 UGFzc3dvcmQ6
[2026-09-25 07:35:05] Password Response: 235 Authentication succeeded
[2026-09-25 07:35:05] SMTP Authentication Successful!
[2026-09-25 07:35:05] MAIL FROM Response: 250 OK
[2026-09-25 07:35:05] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 07:35:05] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 07:35:05] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-25 07:35:05] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-25 10:06:00] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-25 10:06:00] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-25 10:06:00] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-25 10:06:00] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 25 Sep 2026 15:36:00 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-25 10:06:01] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-25 10:06:01] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-25 10:06:01] Username Response: 334 UGFzc3dvcmQ6
[2026-09-25 10:06:01] Password Response: 235 Authentication succeeded
[2026-09-25 10:06:01] SMTP Authentication Successful!
[2026-09-25 10:06:01] MAIL FROM Response: 250 OK
[2026-09-25 10:06:01] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 10:06:01] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 10:06:01] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-25 10:06:01] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-25 10:06:01] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 25 Sep 2026 15:36:01 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-25 10:06:01] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-25 10:06:01] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-25 10:06:01] Username Response: 334 UGFzc3dvcmQ6
[2026-09-25 10:06:01] Password Response: 235 Authentication succeeded
[2026-09-25 10:06:01] SMTP Authentication Successful!
[2026-09-25 10:06:01] MAIL FROM Response: 250 OK
[2026-09-25 10:06:01] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 10:06:01] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 10:06:01] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-25 10:06:01] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-25 10:06:01] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 25 Sep 2026 15:36:01 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-25 10:06:01] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-25 10:06:01] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-25 10:06:01] Username Response: 334 UGFzc3dvcmQ6
[2026-09-25 10:06:01] Password Response: 235 Authentication succeeded
[2026-09-25 10:06:01] SMTP Authentication Successful!
[2026-09-25 10:06:01] MAIL FROM Response: 250 OK
[2026-09-25 10:06:01] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 10:06:01] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 10:06:01] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-25 10:06:01] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-25 10:06:01] Attempting socket connection to 127.0.0.1:25...
[2026-09-25 10:06:01] Connected to 127.0.0.1:25 successfully.
[2026-09-25 10:06:01] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 25 Sep 2026 15:36:01 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-25 10:06:01] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-25 10:06:01] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-25 10:06:01] Username Response: 334 UGFzc3dvcmQ6
[2026-09-25 10:06:01] Password Response: 235 Authentication succeeded
[2026-09-25 10:06:01] SMTP Authentication Successful!
[2026-09-25 10:06:01] MAIL FROM Response: 250 OK
[2026-09-25 10:06:01] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 10:06:01] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 10:06:01] Attempting socket connection to localhost:25...
[2026-09-25 10:06:01] Connected to localhost:25 successfully.
[2026-09-25 10:06:01] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 25 Sep 2026 15:36:01 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-25 10:06:01] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-25 10:06:01] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-25 10:06:01] Username Response: 334 UGFzc3dvcmQ6
[2026-09-25 10:06:01] Password Response: 235 Authentication succeeded
[2026-09-25 10:06:01] SMTP Authentication Successful!
[2026-09-25 10:06:01] MAIL FROM Response: 250 OK
[2026-09-25 10:06:01] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 10:06:01] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-25 10:06:01] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-25 10:06:01] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-26 03:22:39] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-26 03:22:39] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-26 03:22:39] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-26 03:22:39] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 08:52:39 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 03:22:39] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-26 03:22:39] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 03:22:39] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 03:22:39] Password Response: 235 Authentication succeeded
[2026-09-26 03:22:39] SMTP Authentication Successful!
[2026-09-26 03:22:39] MAIL FROM Response: 250 OK
[2026-09-26 03:22:39] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 03:22:39] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 03:22:39] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-26 03:22:39] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-26 03:22:39] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 08:52:39 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 03:22:39] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-26 03:22:39] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 03:22:39] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 03:22:39] Password Response: 235 Authentication succeeded
[2026-09-26 03:22:39] SMTP Authentication Successful!
[2026-09-26 03:22:39] MAIL FROM Response: 250 OK
[2026-09-26 03:22:39] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 03:22:39] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 03:22:39] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-26 03:22:39] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-26 03:22:39] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 08:52:39 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 03:22:39] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-26 03:22:39] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 03:22:39] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 03:22:39] Password Response: 235 Authentication succeeded
[2026-09-26 03:22:39] SMTP Authentication Successful!
[2026-09-26 03:22:39] MAIL FROM Response: 250 OK
[2026-09-26 03:22:39] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 03:22:39] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 03:22:39] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-26 03:22:39] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-26 03:22:39] Attempting socket connection to 127.0.0.1:25...
[2026-09-26 03:22:39] Connected to 127.0.0.1:25 successfully.
[2026-09-26 03:22:39] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 08:52:39 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 03:22:39] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-26 03:22:39] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 03:22:39] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 03:22:39] Password Response: 235 Authentication succeeded
[2026-09-26 03:22:39] SMTP Authentication Successful!
[2026-09-26 03:22:39] MAIL FROM Response: 250 OK
[2026-09-26 03:22:39] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 03:22:39] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 03:22:39] Attempting socket connection to localhost:25...
[2026-09-26 03:22:39] Connected to localhost:25 successfully.
[2026-09-26 03:22:39] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 08:52:39 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 03:22:39] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-26 03:22:39] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 03:22:39] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 03:22:39] Password Response: 235 Authentication succeeded
[2026-09-26 03:22:39] SMTP Authentication Successful!
[2026-09-26 03:22:39] MAIL FROM Response: 250 OK
[2026-09-26 03:22:39] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 03:22:39] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 03:22:39] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-26 03:22:39] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-26 09:11:48] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-26 09:11:48] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-26 09:11:48] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-26 09:11:48] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 14:41:48 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 09:11:48] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-26 09:11:48] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 09:11:48] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 09:11:48] Password Response: 235 Authentication succeeded
[2026-09-26 09:11:48] SMTP Authentication Successful!
[2026-09-26 09:11:48] MAIL FROM Response: 250 OK
[2026-09-26 09:11:48] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-26 09:11:48] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-26 09:11:48] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 14:41:48 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 09:11:48] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-26 09:11:48] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-26 09:11:48] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-26 09:11:48] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 09:11:48] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 09:11:48] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-26 09:11:48] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 14:41:48 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 09:11:48] Password Response: 235 Authentication succeeded
[2026-09-26 09:11:48] SMTP Authentication Successful!
[2026-09-26 09:11:48] MAIL FROM Response: 250 OK
[2026-09-26 09:11:48] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-26 09:11:48] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-26 09:11:48] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 09:11:48] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 09:11:48] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-26 09:11:48] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 14:41:48 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 09:11:48] Password Response: 235 Authentication succeeded
[2026-09-26 09:11:48] SMTP Authentication Successful!
[2026-09-26 09:11:48] MAIL FROM Response: 250 OK
[2026-09-26 09:11:48] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-26 09:11:48] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-26 09:11:48] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 14:41:48 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 09:11:48] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-26 09:11:48] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 09:11:48] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 09:11:48] Password Response: 235 Authentication succeeded
[2026-09-26 09:11:48] SMTP Authentication Successful!
[2026-09-26 09:11:48] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-26 09:11:48] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 09:11:48] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 09:11:48] MAIL FROM Response: 250 OK
[2026-09-26 09:11:48] Password Response: 235 Authentication succeeded
[2026-09-26 09:11:48] SMTP Authentication Successful!
[2026-09-26 09:11:48] MAIL FROM Response: 250 OK
[2026-09-26 09:11:48] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-26 09:11:48] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-26 09:11:48] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 14:41:48 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 09:11:48] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-26 09:11:48] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-26 09:11:48] Attempting socket connection to 127.0.0.1:25...
[2026-09-26 09:11:48] Connected to 127.0.0.1:25 successfully.
[2026-09-26 09:11:48] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 14:41:48 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 09:11:48] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-26 09:11:48] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 09:11:48] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 09:11:48] Password Response: 235 Authentication succeeded
[2026-09-26 09:11:48] SMTP Authentication Successful!
[2026-09-26 09:11:48] MAIL FROM Response: 250 OK
[2026-09-26 09:11:48] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-26 09:11:48] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 09:11:48] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 09:11:48] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-26 09:11:48] Password Response: 235 Authentication succeeded
[2026-09-26 09:11:48] SMTP Authentication Successful!
[2026-09-26 09:11:48] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-26 09:11:48] Attempting socket connection to 127.0.0.1:25...
[2026-09-26 09:11:48] Connected to 127.0.0.1:25 successfully.
[2026-09-26 09:11:48] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 14:41:48 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 09:11:48] MAIL FROM Response: 250 OK
[2026-09-26 09:11:48] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] Attempting socket connection to localhost:25...
[2026-09-26 09:11:48] Connected to localhost:25 successfully.
[2026-09-26 09:11:48] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 14:41:48 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 09:11:48] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-26 09:11:48] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 09:11:48] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 09:11:48] Password Response: 235 Authentication succeeded
[2026-09-26 09:11:48] SMTP Authentication Successful!
[2026-09-26 09:11:48] MAIL FROM Response: 250 OK
[2026-09-26 09:11:48] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-26 09:11:48] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 09:11:48] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 09:11:48] Password Response: 235 Authentication succeeded
[2026-09-26 09:11:48] SMTP Authentication Successful!
[2026-09-26 09:11:48] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] MAIL FROM Response: 250 OK
[2026-09-26 09:11:48] Attempting socket connection to localhost:25...
[2026-09-26 09:11:48] Connected to localhost:25 successfully.
[2026-09-26 09:11:48] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 26 Sep 2026 14:41:48 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-26 09:11:48] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-26 09:11:48] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-26 09:11:48] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-26 09:11:48] Username Response: 334 UGFzc3dvcmQ6
[2026-09-26 09:11:48] Password Response: 235 Authentication succeeded
[2026-09-26 09:11:48] SMTP Authentication Successful!
[2026-09-26 09:11:48] MAIL FROM Response: 250 OK
[2026-09-26 09:11:48] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-26 09:11:48] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-26 09:11:49] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-26 09:11:49] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-28 09:15:03] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-28 09:15:03] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-28 09:15:03] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-28 09:15:03] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 28 Sep 2026 14:45:03 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-28 09:15:03] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-28 09:15:03] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-28 09:15:03] Username Response: 334 UGFzc3dvcmQ6
[2026-09-28 09:15:03] Password Response: 235 Authentication succeeded
[2026-09-28 09:15:03] SMTP Authentication Successful!
[2026-09-28 09:15:03] MAIL FROM Response: 250 OK
[2026-09-28 09:15:03] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:03] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:03] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-28 09:15:03] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-28 09:15:03] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 28 Sep 2026 14:45:03 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-28 09:15:03] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-28 09:15:03] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-28 09:15:03] Username Response: 334 UGFzc3dvcmQ6
[2026-09-28 09:15:03] Password Response: 235 Authentication succeeded
[2026-09-28 09:15:03] SMTP Authentication Successful!
[2026-09-28 09:15:03] MAIL FROM Response: 250 OK
[2026-09-28 09:15:03] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:03] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:03] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-28 09:15:03] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-28 09:15:03] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 28 Sep 2026 14:45:03 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-28 09:15:03] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-28 09:15:03] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-28 09:15:03] Username Response: 334 UGFzc3dvcmQ6
[2026-09-28 09:15:03] Password Response: 235 Authentication succeeded
[2026-09-28 09:15:03] SMTP Authentication Successful!
[2026-09-28 09:15:03] MAIL FROM Response: 250 OK
[2026-09-28 09:15:03] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:03] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:03] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-28 09:15:03] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-28 09:15:03] Attempting socket connection to 127.0.0.1:25...
[2026-09-28 09:15:03] Connected to 127.0.0.1:25 successfully.
[2026-09-28 09:15:03] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 28 Sep 2026 14:45:03 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-28 09:15:03] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-28 09:15:03] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-28 09:15:03] Username Response: 334 UGFzc3dvcmQ6
[2026-09-28 09:15:03] Password Response: 235 Authentication succeeded
[2026-09-28 09:15:03] SMTP Authentication Successful!
[2026-09-28 09:15:03] MAIL FROM Response: 250 OK
[2026-09-28 09:15:03] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:03] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:03] Attempting socket connection to localhost:25...
[2026-09-28 09:15:03] Connected to localhost:25 successfully.
[2026-09-28 09:15:03] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 28 Sep 2026 14:45:03 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-28 09:15:03] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-28 09:15:03] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-28 09:15:03] Username Response: 334 UGFzc3dvcmQ6
[2026-09-28 09:15:03] Password Response: 235 Authentication succeeded
[2026-09-28 09:15:03] SMTP Authentication Successful!
[2026-09-28 09:15:03] MAIL FROM Response: 250 OK
[2026-09-28 09:15:03] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:03] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:03] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-28 09:15:04] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-28 09:15:09] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-28 09:15:09] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-28 09:15:09] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-28 09:15:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 28 Sep 2026 14:45:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-28 09:15:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-28 09:15:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-28 09:15:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-28 09:15:09] Password Response: 235 Authentication succeeded
[2026-09-28 09:15:09] SMTP Authentication Successful!
[2026-09-28 09:15:09] MAIL FROM Response: 250 OK
[2026-09-28 09:15:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:09] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-28 09:15:09] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-28 09:15:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 28 Sep 2026 14:45:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-28 09:15:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-28 09:15:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-28 09:15:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-28 09:15:09] Password Response: 235 Authentication succeeded
[2026-09-28 09:15:09] SMTP Authentication Successful!
[2026-09-28 09:15:09] MAIL FROM Response: 250 OK
[2026-09-28 09:15:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:09] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-28 09:15:09] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-28 09:15:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 28 Sep 2026 14:45:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-28 09:15:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-28 09:15:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-28 09:15:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-28 09:15:09] Password Response: 235 Authentication succeeded
[2026-09-28 09:15:09] SMTP Authentication Successful!
[2026-09-28 09:15:09] MAIL FROM Response: 250 OK
[2026-09-28 09:15:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:09] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-28 09:15:09] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-28 09:15:09] Attempting socket connection to 127.0.0.1:25...
[2026-09-28 09:15:09] Connected to 127.0.0.1:25 successfully.
[2026-09-28 09:15:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 28 Sep 2026 14:45:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-28 09:15:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-28 09:15:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-28 09:15:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-28 09:15:09] Password Response: 235 Authentication succeeded
[2026-09-28 09:15:09] SMTP Authentication Successful!
[2026-09-28 09:15:09] MAIL FROM Response: 250 OK
[2026-09-28 09:15:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:09] Attempting socket connection to localhost:25...
[2026-09-28 09:15:09] Connected to localhost:25 successfully.
[2026-09-28 09:15:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 28 Sep 2026 14:45:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-28 09:15:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-28 09:15:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-28 09:15:09] Username Response: 334 UGFzc3dvcmQ6
[2026-09-28 09:15:09] Password Response: 235 Authentication succeeded
[2026-09-28 09:15:09] SMTP Authentication Successful!
[2026-09-28 09:15:09] MAIL FROM Response: 250 OK
[2026-09-28 09:15:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-28 09:15:09] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-28 09:15:10] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-29 00:53:02] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-29 00:53:02] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-29 00:53:02] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-29 00:53:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 29 Sep 2026 06:23:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 00:53:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-29 00:53:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 00:53:02] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 00:53:02] Password Response: 235 Authentication succeeded
[2026-09-29 00:53:02] SMTP Authentication Successful!
[2026-09-29 00:53:02] MAIL FROM Response: 250 OK
[2026-09-29 00:53:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 00:53:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 00:53:02] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-29 00:53:02] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-29 00:53:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 29 Sep 2026 06:23:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 00:53:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-29 00:53:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 00:53:02] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 00:53:02] Password Response: 235 Authentication succeeded
[2026-09-29 00:53:02] SMTP Authentication Successful!
[2026-09-29 00:53:02] MAIL FROM Response: 250 OK
[2026-09-29 00:53:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 00:53:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 00:53:02] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-29 00:53:02] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-29 00:53:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 29 Sep 2026 06:23:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 00:53:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-29 00:53:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 00:53:02] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 00:53:02] Password Response: 235 Authentication succeeded
[2026-09-29 00:53:02] SMTP Authentication Successful!
[2026-09-29 00:53:02] MAIL FROM Response: 250 OK
[2026-09-29 00:53:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 00:53:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 00:53:02] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-29 00:53:02] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-29 00:53:02] Attempting socket connection to 127.0.0.1:25...
[2026-09-29 00:53:02] Connected to 127.0.0.1:25 successfully.
[2026-09-29 00:53:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 29 Sep 2026 06:23:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 00:53:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-29 00:53:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 00:53:02] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 00:53:02] Password Response: 235 Authentication succeeded
[2026-09-29 00:53:02] SMTP Authentication Successful!
[2026-09-29 00:53:02] MAIL FROM Response: 250 OK
[2026-09-29 00:53:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 00:53:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 00:53:02] Attempting socket connection to localhost:25...
[2026-09-29 00:53:02] Connected to localhost:25 successfully.
[2026-09-29 00:53:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 29 Sep 2026 06:23:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 00:53:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-29 00:53:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 00:53:02] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 00:53:02] Password Response: 235 Authentication succeeded
[2026-09-29 00:53:02] SMTP Authentication Successful!
[2026-09-29 00:53:02] MAIL FROM Response: 250 OK
[2026-09-29 00:53:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 00:53:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 00:53:02] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-29 00:53:02] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-29 03:03:01] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-29 03:03:01] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-29 03:03:01] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-29 03:03:01] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 29 Sep 2026 08:33:01 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 03:03:01] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-29 03:03:01] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 03:03:01] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 03:03:01] Password Response: 235 Authentication succeeded
[2026-09-29 03:03:01] SMTP Authentication Successful!
[2026-09-29 03:03:01] MAIL FROM Response: 250 OK
[2026-09-29 03:03:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 03:03:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 03:03:02] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-29 03:03:02] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-29 03:03:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 29 Sep 2026 08:33:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 03:03:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-29 03:03:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 03:03:02] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 03:03:02] Password Response: 235 Authentication succeeded
[2026-09-29 03:03:02] SMTP Authentication Successful!
[2026-09-29 03:03:02] MAIL FROM Response: 250 OK
[2026-09-29 03:03:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 03:03:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 03:03:02] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-29 03:03:02] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-29 03:03:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 29 Sep 2026 08:33:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 03:03:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-29 03:03:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 03:03:02] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 03:03:02] Password Response: 235 Authentication succeeded
[2026-09-29 03:03:02] SMTP Authentication Successful!
[2026-09-29 03:03:02] MAIL FROM Response: 250 OK
[2026-09-29 03:03:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 03:03:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 03:03:02] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-29 03:03:02] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-29 03:03:02] Attempting socket connection to 127.0.0.1:25...
[2026-09-29 03:03:02] Connected to 127.0.0.1:25 successfully.
[2026-09-29 03:03:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 29 Sep 2026 08:33:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 03:03:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-29 03:03:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 03:03:02] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 03:03:02] Password Response: 235 Authentication succeeded
[2026-09-29 03:03:02] SMTP Authentication Successful!
[2026-09-29 03:03:02] MAIL FROM Response: 250 OK
[2026-09-29 03:03:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 03:03:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 03:03:02] Attempting socket connection to localhost:25...
[2026-09-29 03:03:02] Connected to localhost:25 successfully.
[2026-09-29 03:03:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 29 Sep 2026 08:33:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 03:03:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-29 03:03:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 03:03:02] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 03:03:02] Password Response: 235 Authentication succeeded
[2026-09-29 03:03:02] SMTP Authentication Successful!
[2026-09-29 03:03:02] MAIL FROM Response: 250 OK
[2026-09-29 03:03:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 03:03:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 03:03:02] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-29 03:03:02] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-29 19:36:45] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-29 19:36:45] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-29 19:36:45] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-29 19:36:45] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 01:06:45 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 19:36:45] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-29 19:36:45] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 19:36:45] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 19:36:45] Password Response: 235 Authentication succeeded
[2026-09-29 19:36:45] SMTP Authentication Successful!
[2026-09-29 19:36:45] MAIL FROM Response: 250 OK
[2026-09-29 19:36:45] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 19:36:45] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 19:36:45] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-29 19:36:45] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-29 19:36:45] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 01:06:45 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 19:36:45] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-29 19:36:45] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 19:36:45] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 19:36:45] Password Response: 235 Authentication succeeded
[2026-09-29 19:36:45] SMTP Authentication Successful!
[2026-09-29 19:36:45] MAIL FROM Response: 250 OK
[2026-09-29 19:36:45] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 19:36:45] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 19:36:45] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-29 19:36:45] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-29 19:36:45] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 01:06:45 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 19:36:45] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-29 19:36:45] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 19:36:45] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 19:36:45] Password Response: 235 Authentication succeeded
[2026-09-29 19:36:45] SMTP Authentication Successful!
[2026-09-29 19:36:45] MAIL FROM Response: 250 OK
[2026-09-29 19:36:45] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 19:36:45] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 19:36:45] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-29 19:36:45] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-29 19:36:45] Attempting socket connection to 127.0.0.1:25...
[2026-09-29 19:36:45] Connected to 127.0.0.1:25 successfully.
[2026-09-29 19:36:45] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 01:06:45 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 19:36:45] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-29 19:36:45] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 19:36:45] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 19:36:45] Password Response: 235 Authentication succeeded
[2026-09-29 19:36:45] SMTP Authentication Successful!
[2026-09-29 19:36:45] MAIL FROM Response: 250 OK
[2026-09-29 19:36:45] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 19:36:45] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 19:36:45] Attempting socket connection to localhost:25...
[2026-09-29 19:36:45] Connected to localhost:25 successfully.
[2026-09-29 19:36:45] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 01:06:45 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-29 19:36:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-29 19:36:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-29 19:36:46] Username Response: 334 UGFzc3dvcmQ6
[2026-09-29 19:36:46] Password Response: 235 Authentication succeeded
[2026-09-29 19:36:46] SMTP Authentication Successful!
[2026-09-29 19:36:46] MAIL FROM Response: 250 OK
[2026-09-29 19:36:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 19:36:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-09-29 19:36:46] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-29 19:36:46] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-30 09:51:35] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-30 09:51:35] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-30 09:51:35] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-30 09:51:35] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:35 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:35] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-30 09:51:35] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:35] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:36] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-30 09:51:36] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-30 09:51:36] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-30 09:51:36] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:36 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:36] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-30 09:51:36] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:36] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:38] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:38] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:38] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-30 09:51:38] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-30 09:51:38] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:38 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:38] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-30 09:51:38] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:38] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:38] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:38] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:38] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-30 09:51:38] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-30 09:51:38] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:38 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:38] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-30 09:51:38] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:38] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:38] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-30 09:51:38] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-30 09:51:38] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-30 09:51:38] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:38 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:38] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-30 09:51:38] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:38] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:40] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:40] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:40] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-30 09:51:40] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-30 09:51:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-30 09:51:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:40] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:40] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:40] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:40] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-30 09:51:40] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-30 09:51:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-30 09:51:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:40] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:41] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:41] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:41] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-30 09:51:41] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-30 09:51:41] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:41 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:41] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-30 09:51:41] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:41] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:42] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:42] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:42] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-30 09:51:42] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-30 09:51:42] Attempting socket connection to 127.0.0.1:25...
[2026-09-30 09:51:42] Connected to 127.0.0.1:25 successfully.
[2026-09-30 09:51:42] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:42 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:43] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-30 09:51:43] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:43] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:43] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:43] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:43] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-30 09:51:43] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-30 09:51:43] Attempting socket connection to 127.0.0.1:25...
[2026-09-30 09:51:43] Connected to 127.0.0.1:25 successfully.
[2026-09-30 09:51:43] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:43 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:43] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-30 09:51:43] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:43] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:43] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:43] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:43] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-30 09:51:43] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-30 09:51:43] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:43 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:43] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-30 09:51:43] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:43] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:45] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:45] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:45] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-30 09:51:45] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-30 09:51:45] Attempting socket connection to 127.0.0.1:25...
[2026-09-30 09:51:45] Connected to 127.0.0.1:25 successfully.
[2026-09-30 09:51:45] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:45 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:45] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-30 09:51:45] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:45] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:45] Attempting socket connection to localhost:25...
[2026-09-30 09:51:45] Connected to localhost:25 successfully.
[2026-09-30 09:51:45] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:45 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:45] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:45] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:45] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-30 09:51:45] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:45] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:46] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:46] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:46] Attempting socket connection to localhost:25...
[2026-09-30 09:51:46] Connected to localhost:25 successfully.
[2026-09-30 09:51:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-30 09:51:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:46] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:48] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:48] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:48] Attempting socket connection to localhost:25...
[2026-09-30 09:51:48] Connected to localhost:25 successfully.
[2026-09-30 09:51:48] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 15:21:48 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 09:51:48] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-30 09:51:48] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 09:51:48] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 09:51:48] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:48] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:48] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-30 09:51:48] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-30 09:51:48] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:48] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:48] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-30 09:51:49] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-30 09:51:50] Password Response: 535 Incorrect authentication data
[2026-09-30 09:51:50] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 09:51:50] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-30 09:51:50] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-09-30 13:20:30] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-09-30 13:20:30] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-09-30 13:20:30] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-09-30 13:20:30] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 18:50:30 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 13:20:30] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-30 13:20:30] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 13:20:30] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 13:20:33] Password Response: 535 Incorrect authentication data
[2026-09-30 13:20:33] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 13:20:33] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-09-30 13:20:33] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-09-30 13:20:33] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 18:50:33 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 13:20:33] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-30 13:20:33] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 13:20:33] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 13:20:35] Password Response: 535 Incorrect authentication data
[2026-09-30 13:20:35] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 13:20:35] Attempting socket connection to ssl://157.90.210.53:465...
[2026-09-30 13:20:35] Connected to ssl://157.90.210.53:465 successfully.
[2026-09-30 13:20:35] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 18:50:35 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 13:20:35] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-09-30 13:20:35] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 13:20:35] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 13:20:38] Password Response: 535 Incorrect authentication data
[2026-09-30 13:20:38] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 13:20:38] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-09-30 13:20:38] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-09-30 13:20:38] Attempting socket connection to 127.0.0.1:25...
[2026-09-30 13:20:38] Connected to 127.0.0.1:25 successfully.
[2026-09-30 13:20:38] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 18:50:38 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 13:20:38] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-30 13:20:38] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 13:20:38] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 13:20:40] Password Response: 535 Incorrect authentication data
[2026-09-30 13:20:40] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 13:20:40] Attempting socket connection to localhost:25...
[2026-09-30 13:20:40] Connected to localhost:25 successfully.
[2026-09-30 13:20:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 30 Sep 2026 18:50:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-09-30 13:20:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-09-30 13:20:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-09-30 13:20:40] Username Response: 334 UGFzc3dvcmQ6
[2026-09-30 13:20:43] Password Response: 535 Incorrect authentication data
[2026-09-30 13:20:43] SMTP Auth Failed: 535 Incorrect authentication data
[2026-09-30 13:20:43] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-09-30 13:20:43] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-01 21:01:37] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-01 21:01:37] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-01 21:01:37] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-01 21:01:37] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 02:31:37 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-01 21:01:37] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-01 21:01:37] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-01 21:01:37] Username Response: 334 UGFzc3dvcmQ6
[2026-10-01 21:01:37] Password Response: 235 Authentication succeeded
[2026-10-01 21:01:37] SMTP Authentication Successful!
[2026-10-01 21:01:37] MAIL FROM Response: 250 OK
[2026-10-01 21:01:37] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-01 21:01:37] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-01 21:01:37] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-01 21:01:37] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-01 21:01:37] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 02:31:37 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-01 21:01:37] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-01 21:01:37] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-01 21:01:37] Username Response: 334 UGFzc3dvcmQ6
[2026-10-01 21:01:37] Password Response: 235 Authentication succeeded
[2026-10-01 21:01:37] SMTP Authentication Successful!
[2026-10-01 21:01:37] MAIL FROM Response: 250 OK
[2026-10-01 21:01:37] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-01 21:01:37] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-01 21:01:37] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-01 21:01:37] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-01 21:01:37] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 02:31:37 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-01 21:01:37] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-01 21:01:37] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-01 21:01:37] Username Response: 334 UGFzc3dvcmQ6
[2026-10-01 21:01:37] Password Response: 235 Authentication succeeded
[2026-10-01 21:01:37] SMTP Authentication Successful!
[2026-10-01 21:01:37] MAIL FROM Response: 250 OK
[2026-10-01 21:01:37] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-01 21:01:37] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-01 21:01:37] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-01 21:01:37] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-01 21:01:37] Attempting socket connection to 127.0.0.1:25...
[2026-10-01 21:01:37] Connected to 127.0.0.1:25 successfully.
[2026-10-01 21:01:37] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 02:31:37 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-01 21:01:37] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-01 21:01:37] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-01 21:01:37] Username Response: 334 UGFzc3dvcmQ6
[2026-10-01 21:01:37] Password Response: 235 Authentication succeeded
[2026-10-01 21:01:37] SMTP Authentication Successful!
[2026-10-01 21:01:37] MAIL FROM Response: 250 OK
[2026-10-01 21:01:37] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-01 21:01:37] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-01 21:01:37] Attempting socket connection to localhost:25...
[2026-10-01 21:01:37] Connected to localhost:25 successfully.
[2026-10-01 21:01:37] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 02:31:37 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-01 21:01:37] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-01 21:01:37] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-01 21:01:37] Username Response: 334 UGFzc3dvcmQ6
[2026-10-01 21:01:37] Password Response: 235 Authentication succeeded
[2026-10-01 21:01:37] SMTP Authentication Successful!
[2026-10-01 21:01:37] MAIL FROM Response: 250 OK
[2026-10-01 21:01:37] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-01 21:01:37] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-01 21:01:37] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-01 21:01:38] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-02 06:14:22] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-02 06:14:22] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-02 06:14:23] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-02 06:14:23] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 11:44:22 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 06:14:23] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 06:14:23] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 06:14:23] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 06:14:23] Password Response: 235 Authentication succeeded
[2026-10-02 06:14:23] SMTP Authentication Successful!
[2026-10-02 06:14:23] MAIL FROM Response: 250 OK
[2026-10-02 06:14:23] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 06:14:23] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 06:14:23] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-02 06:14:23] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-02 06:14:23] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 11:44:23 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 06:14:23] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 06:14:23] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 06:14:23] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 06:14:23] Password Response: 235 Authentication succeeded
[2026-10-02 06:14:23] SMTP Authentication Successful!
[2026-10-02 06:14:23] MAIL FROM Response: 250 OK
[2026-10-02 06:14:23] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 06:14:23] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 06:14:23] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-02 06:14:23] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-02 06:14:23] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 11:44:23 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 06:14:23] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 06:14:23] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 06:14:23] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 06:14:23] Password Response: 235 Authentication succeeded
[2026-10-02 06:14:23] SMTP Authentication Successful!
[2026-10-02 06:14:23] MAIL FROM Response: 250 OK
[2026-10-02 06:14:23] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 06:14:23] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 06:14:23] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-02 06:14:23] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-02 06:14:23] Attempting socket connection to 127.0.0.1:25...
[2026-10-02 06:14:23] Connected to 127.0.0.1:25 successfully.
[2026-10-02 06:14:23] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 11:44:23 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 06:14:23] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-02 06:14:23] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 06:14:23] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 06:14:23] Password Response: 235 Authentication succeeded
[2026-10-02 06:14:23] SMTP Authentication Successful!
[2026-10-02 06:14:23] MAIL FROM Response: 250 OK
[2026-10-02 06:14:23] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 06:14:23] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 06:14:23] Attempting socket connection to localhost:25...
[2026-10-02 06:14:23] Connected to localhost:25 successfully.
[2026-10-02 06:14:23] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 11:44:23 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 06:14:23] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-02 06:14:23] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 06:14:23] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 06:14:23] Password Response: 235 Authentication succeeded
[2026-10-02 06:14:23] SMTP Authentication Successful!
[2026-10-02 06:14:23] MAIL FROM Response: 250 OK
[2026-10-02 06:14:23] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 06:14:23] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 06:14:23] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-02 06:14:23] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-02 07:38:25] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-02 07:38:25] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-02 07:38:25] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-02 07:38:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 13:08:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 07:38:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 07:38:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 07:38:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 07:38:25] Password Response: 235 Authentication succeeded
[2026-10-02 07:38:25] SMTP Authentication Successful!
[2026-10-02 07:38:25] MAIL FROM Response: 250 OK
[2026-10-02 07:38:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 07:38:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 07:38:25] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-02 07:38:25] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-02 07:38:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 13:08:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 07:38:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 07:38:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 07:38:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 07:38:25] Password Response: 235 Authentication succeeded
[2026-10-02 07:38:25] SMTP Authentication Successful!
[2026-10-02 07:38:25] MAIL FROM Response: 250 OK
[2026-10-02 07:38:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 07:38:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 07:38:25] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-02 07:38:25] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-02 07:38:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 13:08:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 07:38:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 07:38:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 07:38:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 07:38:25] Password Response: 235 Authentication succeeded
[2026-10-02 07:38:25] SMTP Authentication Successful!
[2026-10-02 07:38:25] MAIL FROM Response: 250 OK
[2026-10-02 07:38:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 07:38:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 07:38:25] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-02 07:38:25] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-02 07:38:25] Attempting socket connection to 127.0.0.1:25...
[2026-10-02 07:38:25] Connected to 127.0.0.1:25 successfully.
[2026-10-02 07:38:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 13:08:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 07:38:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-02 07:38:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 07:38:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 07:38:25] Password Response: 235 Authentication succeeded
[2026-10-02 07:38:25] SMTP Authentication Successful!
[2026-10-02 07:38:25] MAIL FROM Response: 250 OK
[2026-10-02 07:38:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 07:38:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 07:38:25] Attempting socket connection to localhost:25...
[2026-10-02 07:38:25] Connected to localhost:25 successfully.
[2026-10-02 07:38:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 13:08:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 07:38:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-02 07:38:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 07:38:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 07:38:25] Password Response: 235 Authentication succeeded
[2026-10-02 07:38:25] SMTP Authentication Successful!
[2026-10-02 07:38:25] MAIL FROM Response: 250 OK
[2026-10-02 07:38:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 07:38:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 07:38:25] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-02 07:38:25] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-02 09:43:34] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-02 09:43:34] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-02 09:43:34] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-02 09:43:34] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 15:13:34 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 09:43:34] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 09:43:34] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 09:43:34] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 09:43:34] Password Response: 235 Authentication succeeded
[2026-10-02 09:43:34] SMTP Authentication Successful!
[2026-10-02 09:43:34] MAIL FROM Response: 250 OK
[2026-10-02 09:43:34] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 09:43:34] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 09:43:34] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-02 09:43:34] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-02 09:43:34] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 15:13:34 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 09:43:34] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 09:43:34] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 09:43:34] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 09:43:34] Password Response: 235 Authentication succeeded
[2026-10-02 09:43:34] SMTP Authentication Successful!
[2026-10-02 09:43:34] MAIL FROM Response: 250 OK
[2026-10-02 09:43:34] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 09:43:34] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 09:43:34] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-02 09:43:34] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-02 09:43:34] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 15:13:34 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 09:43:34] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 09:43:34] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 09:43:34] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 09:43:34] Password Response: 235 Authentication succeeded
[2026-10-02 09:43:34] SMTP Authentication Successful!
[2026-10-02 09:43:34] MAIL FROM Response: 250 OK
[2026-10-02 09:43:34] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 09:43:34] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 09:43:34] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-02 09:43:34] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-02 09:43:34] Attempting socket connection to 127.0.0.1:25...
[2026-10-02 09:43:34] Connected to 127.0.0.1:25 successfully.
[2026-10-02 09:43:34] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 15:13:34 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 09:43:34] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-02 09:43:34] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 09:43:34] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 09:43:34] Password Response: 235 Authentication succeeded
[2026-10-02 09:43:34] SMTP Authentication Successful!
[2026-10-02 09:43:34] MAIL FROM Response: 250 OK
[2026-10-02 09:43:34] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 09:43:34] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 09:43:34] Attempting socket connection to localhost:25...
[2026-10-02 09:43:34] Connected to localhost:25 successfully.
[2026-10-02 09:43:34] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 15:13:34 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 09:43:34] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-02 09:43:34] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 09:43:34] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 09:43:34] Password Response: 235 Authentication succeeded
[2026-10-02 09:43:34] SMTP Authentication Successful!
[2026-10-02 09:43:34] MAIL FROM Response: 250 OK
[2026-10-02 09:43:34] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 09:43:34] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 09:43:34] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-02 09:43:34] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-02 14:32:22] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-02 14:32:22] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-02 14:32:22] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-02 14:32:22] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 20:02:22 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 14:32:22] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 14:32:22] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 14:32:22] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 14:32:22] Password Response: 235 Authentication succeeded
[2026-10-02 14:32:22] SMTP Authentication Successful!
[2026-10-02 14:32:22] MAIL FROM Response: 250 OK
[2026-10-02 14:32:22] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 14:32:22] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 14:32:22] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-02 14:32:22] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-02 14:32:22] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 20:02:22 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 14:32:22] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 14:32:22] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 14:32:22] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 14:32:22] Password Response: 235 Authentication succeeded
[2026-10-02 14:32:22] SMTP Authentication Successful!
[2026-10-02 14:32:22] MAIL FROM Response: 250 OK
[2026-10-02 14:32:22] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 14:32:22] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 14:32:22] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-02 14:32:22] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-02 14:32:22] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 20:02:22 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 14:32:22] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 14:32:22] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 14:32:22] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 14:32:22] Password Response: 235 Authentication succeeded
[2026-10-02 14:32:22] SMTP Authentication Successful!
[2026-10-02 14:32:22] MAIL FROM Response: 250 OK
[2026-10-02 14:32:22] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 14:32:22] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 14:32:22] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-02 14:32:22] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-02 14:32:22] Attempting socket connection to 127.0.0.1:25...
[2026-10-02 14:32:22] Connected to 127.0.0.1:25 successfully.
[2026-10-02 14:32:22] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 20:02:22 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 14:32:22] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-02 14:32:22] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 14:32:22] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 14:32:22] Password Response: 235 Authentication succeeded
[2026-10-02 14:32:22] SMTP Authentication Successful!
[2026-10-02 14:32:22] MAIL FROM Response: 250 OK
[2026-10-02 14:32:22] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 14:32:22] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 14:32:22] Attempting socket connection to localhost:25...
[2026-10-02 14:32:22] Connected to localhost:25 successfully.
[2026-10-02 14:32:22] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 02 Oct 2026 20:02:22 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 14:32:22] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-02 14:32:22] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 14:32:22] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 14:32:22] Password Response: 235 Authentication succeeded
[2026-10-02 14:32:22] SMTP Authentication Successful!
[2026-10-02 14:32:22] MAIL FROM Response: 250 OK
[2026-10-02 14:32:22] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 14:32:22] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 14:32:22] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-02 14:32:22] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-02 19:04:56] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-02 19:04:56] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-02 19:04:56] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-02 19:04:56] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 00:34:56 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 19:04:56] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 19:04:56] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 19:04:56] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 19:04:56] Password Response: 235 Authentication succeeded
[2026-10-02 19:04:56] SMTP Authentication Successful!
[2026-10-02 19:04:56] MAIL FROM Response: 250 OK
[2026-10-02 19:04:56] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 19:04:56] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 19:04:56] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-02 19:04:57] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-02 19:04:57] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 00:34:57 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 19:04:57] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 19:04:57] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 19:04:57] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 19:04:57] Password Response: 235 Authentication succeeded
[2026-10-02 19:04:57] SMTP Authentication Successful!
[2026-10-02 19:04:57] MAIL FROM Response: 250 OK
[2026-10-02 19:04:57] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 19:04:57] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 19:04:57] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-02 19:04:57] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-02 19:04:57] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 00:34:57 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 19:04:57] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-02 19:04:57] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 19:04:57] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 19:04:57] Password Response: 235 Authentication succeeded
[2026-10-02 19:04:57] SMTP Authentication Successful!
[2026-10-02 19:04:57] MAIL FROM Response: 250 OK
[2026-10-02 19:04:57] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 19:04:57] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 19:04:57] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-02 19:04:57] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-02 19:04:57] Attempting socket connection to 127.0.0.1:25...
[2026-10-02 19:04:57] Connected to 127.0.0.1:25 successfully.
[2026-10-02 19:04:57] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 00:34:57 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 19:04:57] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-02 19:04:57] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 19:04:57] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 19:04:57] Password Response: 235 Authentication succeeded
[2026-10-02 19:04:57] SMTP Authentication Successful!
[2026-10-02 19:04:57] MAIL FROM Response: 250 OK
[2026-10-02 19:04:57] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 19:04:57] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 19:04:57] Attempting socket connection to localhost:25...
[2026-10-02 19:04:57] Connected to localhost:25 successfully.
[2026-10-02 19:04:57] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 00:34:57 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-02 19:04:57] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-02 19:04:57] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-02 19:04:57] Username Response: 334 UGFzc3dvcmQ6
[2026-10-02 19:04:57] Password Response: 235 Authentication succeeded
[2026-10-02 19:04:57] SMTP Authentication Successful!
[2026-10-02 19:04:57] MAIL FROM Response: 250 OK
[2026-10-02 19:04:57] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 19:04:57] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-02 19:04:57] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-02 19:04:57] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-03 08:50:11] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-03 08:50:11] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-03 08:50:11] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-03 08:50:11] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 14:20:11 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 08:50:11] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 08:50:11] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 08:50:11] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 08:50:11] Password Response: 235 Authentication succeeded
[2026-10-03 08:50:11] SMTP Authentication Successful!
[2026-10-03 08:50:11] MAIL FROM Response: 250 OK
[2026-10-03 08:50:11] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 08:50:11] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 08:50:11] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-03 08:50:11] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-03 08:50:11] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 14:20:11 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 08:50:11] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 08:50:11] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 08:50:11] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 08:50:11] Password Response: 235 Authentication succeeded
[2026-10-03 08:50:11] SMTP Authentication Successful!
[2026-10-03 08:50:11] MAIL FROM Response: 250 OK
[2026-10-03 08:50:11] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 08:50:11] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 08:50:11] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-03 08:50:11] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-03 08:50:11] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 14:20:11 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 08:50:11] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 08:50:11] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 08:50:11] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 08:50:11] Password Response: 235 Authentication succeeded
[2026-10-03 08:50:11] SMTP Authentication Successful!
[2026-10-03 08:50:11] MAIL FROM Response: 250 OK
[2026-10-03 08:50:11] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 08:50:11] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 08:50:11] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-03 08:50:11] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-03 08:50:11] Attempting socket connection to 127.0.0.1:25...
[2026-10-03 08:50:11] Connected to 127.0.0.1:25 successfully.
[2026-10-03 08:50:11] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 14:20:11 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 08:50:11] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-03 08:50:11] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 08:50:11] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 08:50:11] Password Response: 235 Authentication succeeded
[2026-10-03 08:50:11] SMTP Authentication Successful!
[2026-10-03 08:50:11] MAIL FROM Response: 250 OK
[2026-10-03 08:50:11] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 08:50:11] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 08:50:11] Attempting socket connection to localhost:25...
[2026-10-03 08:50:11] Connected to localhost:25 successfully.
[2026-10-03 08:50:11] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 14:20:11 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 08:50:11] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-03 08:50:11] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 08:50:11] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 08:50:11] Password Response: 235 Authentication succeeded
[2026-10-03 08:50:11] SMTP Authentication Successful!
[2026-10-03 08:50:11] MAIL FROM Response: 250 OK
[2026-10-03 08:50:11] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 08:50:11] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 08:50:11] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-03 08:50:12] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-03 11:53:24] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-03 11:53:24] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-03 11:53:24] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-03 11:53:24] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 17:23:24 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 11:53:24] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 11:53:24] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 11:53:24] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 11:53:24] Password Response: 235 Authentication succeeded
[2026-10-03 11:53:24] SMTP Authentication Successful!
[2026-10-03 11:53:24] MAIL FROM Response: 250 OK
[2026-10-03 11:53:24] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 11:53:24] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 11:53:24] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-03 11:53:24] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-03 11:53:24] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 17:23:24 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 11:53:24] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 11:53:24] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 11:53:24] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 11:53:24] Password Response: 235 Authentication succeeded
[2026-10-03 11:53:24] SMTP Authentication Successful!
[2026-10-03 11:53:24] MAIL FROM Response: 250 OK
[2026-10-03 11:53:24] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 11:53:24] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 11:53:24] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-03 11:53:24] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-03 11:53:24] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 17:23:24 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 11:53:24] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 11:53:24] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 11:53:24] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 11:53:24] Password Response: 235 Authentication succeeded
[2026-10-03 11:53:24] SMTP Authentication Successful!
[2026-10-03 11:53:24] MAIL FROM Response: 250 OK
[2026-10-03 11:53:24] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 11:53:24] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 11:53:24] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-03 11:53:24] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-03 11:53:24] Attempting socket connection to 127.0.0.1:25...
[2026-10-03 11:53:24] Connected to 127.0.0.1:25 successfully.
[2026-10-03 11:53:24] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 17:23:24 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 11:53:24] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-03 11:53:24] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 11:53:24] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 11:53:24] Password Response: 235 Authentication succeeded
[2026-10-03 11:53:24] SMTP Authentication Successful!
[2026-10-03 11:53:24] MAIL FROM Response: 250 OK
[2026-10-03 11:53:24] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 11:53:24] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 11:53:24] Attempting socket connection to localhost:25...
[2026-10-03 11:53:24] Connected to localhost:25 successfully.
[2026-10-03 11:53:24] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 17:23:24 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 11:53:24] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-03 11:53:24] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 11:53:24] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 11:53:24] Password Response: 235 Authentication succeeded
[2026-10-03 11:53:24] SMTP Authentication Successful!
[2026-10-03 11:53:24] MAIL FROM Response: 250 OK
[2026-10-03 11:53:24] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 11:53:24] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 11:53:24] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-03 11:53:24] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-03 18:26:58] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-03 18:26:58] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-03 18:26:58] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-03 18:26:58] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 23:56:58 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 18:26:58] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 18:26:58] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 18:26:58] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 18:26:58] Password Response: 235 Authentication succeeded
[2026-10-03 18:26:58] SMTP Authentication Successful!
[2026-10-03 18:26:58] MAIL FROM Response: 250 OK
[2026-10-03 18:26:58] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:58] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:58] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-03 18:26:58] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-03 18:26:58] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 23:56:58 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 18:26:59] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 18:26:59] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 18:26:59] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 18:26:59] Password Response: 235 Authentication succeeded
[2026-10-03 18:26:59] SMTP Authentication Successful!
[2026-10-03 18:26:59] MAIL FROM Response: 250 OK
[2026-10-03 18:26:59] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-03 18:26:59] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-03 18:26:59] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 23:56:59 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 18:26:59] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 18:26:59] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 18:26:59] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 18:26:59] Password Response: 235 Authentication succeeded
[2026-10-03 18:26:59] SMTP Authentication Successful!
[2026-10-03 18:26:59] MAIL FROM Response: 250 OK
[2026-10-03 18:26:59] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-03 18:26:59] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-03 18:26:59] Attempting socket connection to 127.0.0.1:25...
[2026-10-03 18:26:59] Connected to 127.0.0.1:25 successfully.
[2026-10-03 18:26:59] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 23:56:59 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 18:26:59] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-03 18:26:59] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 18:26:59] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 18:26:59] Password Response: 235 Authentication succeeded
[2026-10-03 18:26:59] SMTP Authentication Successful!
[2026-10-03 18:26:59] MAIL FROM Response: 250 OK
[2026-10-03 18:26:59] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] Attempting socket connection to localhost:25...
[2026-10-03 18:26:59] Connected to localhost:25 successfully.
[2026-10-03 18:26:59] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 23:56:59 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 18:26:59] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-03 18:26:59] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 18:26:59] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 18:26:59] Password Response: 235 Authentication succeeded
[2026-10-03 18:26:59] SMTP Authentication Successful!
[2026-10-03 18:26:59] MAIL FROM Response: 250 OK
[2026-10-03 18:26:59] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-03 18:26:59] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-03 18:26:59] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-03 18:26:59] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-03 18:26:59] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-03 18:26:59] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 23:56:59 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 18:26:59] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 18:26:59] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 18:26:59] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 18:26:59] Password Response: 235 Authentication succeeded
[2026-10-03 18:26:59] SMTP Authentication Successful!
[2026-10-03 18:26:59] MAIL FROM Response: 250 OK
[2026-10-03 18:26:59] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-03 18:26:59] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-03 18:26:59] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 23:56:59 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 18:26:59] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 18:26:59] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 18:26:59] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 18:26:59] Password Response: 235 Authentication succeeded
[2026-10-03 18:26:59] SMTP Authentication Successful!
[2026-10-03 18:26:59] MAIL FROM Response: 250 OK
[2026-10-03 18:26:59] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-03 18:26:59] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-03 18:26:59] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 23:56:59 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 18:26:59] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 18:26:59] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 18:26:59] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 18:26:59] Password Response: 235 Authentication succeeded
[2026-10-03 18:26:59] SMTP Authentication Successful!
[2026-10-03 18:26:59] MAIL FROM Response: 250 OK
[2026-10-03 18:26:59] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-03 18:26:59] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-03 18:26:59] Attempting socket connection to 127.0.0.1:25...
[2026-10-03 18:26:59] Connected to 127.0.0.1:25 successfully.
[2026-10-03 18:26:59] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 23:56:59 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 18:26:59] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-03 18:26:59] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 18:26:59] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 18:26:59] Password Response: 235 Authentication succeeded
[2026-10-03 18:26:59] SMTP Authentication Successful!
[2026-10-03 18:26:59] MAIL FROM Response: 250 OK
[2026-10-03 18:26:59] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] Attempting socket connection to localhost:25...
[2026-10-03 18:26:59] Connected to localhost:25 successfully.
[2026-10-03 18:26:59] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 03 Oct 2026 23:56:59 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 18:26:59] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-03 18:26:59] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 18:26:59] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 18:26:59] Password Response: 235 Authentication succeeded
[2026-10-03 18:26:59] SMTP Authentication Successful!
[2026-10-03 18:26:59] MAIL FROM Response: 250 OK
[2026-10-03 18:26:59] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 18:26:59] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-03 18:27:00] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-03 21:57:56] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-03 21:57:56] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-03 21:57:56] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-03 21:57:56] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 03:27:56 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 21:57:56] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 21:57:56] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 21:57:56] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 21:57:56] Password Response: 235 Authentication succeeded
[2026-10-03 21:57:56] SMTP Authentication Successful!
[2026-10-03 21:57:56] MAIL FROM Response: 250 OK
[2026-10-03 21:57:56] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:56] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:56] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-03 21:57:56] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-03 21:57:56] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 03:27:56 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 21:57:56] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 21:57:56] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 21:57:56] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 21:57:56] Password Response: 235 Authentication succeeded
[2026-10-03 21:57:56] SMTP Authentication Successful!
[2026-10-03 21:57:56] MAIL FROM Response: 250 OK
[2026-10-03 21:57:56] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:56] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:56] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-03 21:57:56] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-03 21:57:56] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 03:27:56 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 21:57:56] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 21:57:56] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 21:57:56] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 21:57:56] Password Response: 235 Authentication succeeded
[2026-10-03 21:57:56] SMTP Authentication Successful!
[2026-10-03 21:57:56] MAIL FROM Response: 250 OK
[2026-10-03 21:57:56] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:56] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:56] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-03 21:57:56] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-03 21:57:56] Attempting socket connection to 127.0.0.1:25...
[2026-10-03 21:57:56] Connected to 127.0.0.1:25 successfully.
[2026-10-03 21:57:56] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 03:27:56 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 21:57:56] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-03 21:57:56] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 21:57:56] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 21:57:56] Password Response: 235 Authentication succeeded
[2026-10-03 21:57:56] SMTP Authentication Successful!
[2026-10-03 21:57:56] MAIL FROM Response: 250 OK
[2026-10-03 21:57:56] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:56] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:56] Attempting socket connection to localhost:25...
[2026-10-03 21:57:56] Connected to localhost:25 successfully.
[2026-10-03 21:57:56] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 03:27:56 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 21:57:56] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-03 21:57:56] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 21:57:56] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 21:57:56] Password Response: 235 Authentication succeeded
[2026-10-03 21:57:56] SMTP Authentication Successful!
[2026-10-03 21:57:56] MAIL FROM Response: 250 OK
[2026-10-03 21:57:56] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:56] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:56] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-03 21:57:56] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-03 21:57:57] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-03 21:57:57] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-03 21:57:57] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-03 21:57:57] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 03:27:57 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 21:57:57] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 21:57:57] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 21:57:57] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 21:57:57] Password Response: 235 Authentication succeeded
[2026-10-03 21:57:57] SMTP Authentication Successful!
[2026-10-03 21:57:57] MAIL FROM Response: 250 OK
[2026-10-03 21:57:57] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:57] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:57] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-03 21:57:57] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-03 21:57:57] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 03:27:57 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 21:57:57] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 21:57:57] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 21:57:57] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 21:57:57] Password Response: 235 Authentication succeeded
[2026-10-03 21:57:57] SMTP Authentication Successful!
[2026-10-03 21:57:57] MAIL FROM Response: 250 OK
[2026-10-03 21:57:57] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:57] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:57] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-03 21:57:57] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-03 21:57:57] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 03:27:57 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 21:57:57] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-03 21:57:57] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 21:57:57] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 21:57:57] Password Response: 235 Authentication succeeded
[2026-10-03 21:57:57] SMTP Authentication Successful!
[2026-10-03 21:57:57] MAIL FROM Response: 250 OK
[2026-10-03 21:57:57] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:57] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:57] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-03 21:57:57] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-03 21:57:57] Attempting socket connection to 127.0.0.1:25...
[2026-10-03 21:57:57] Connected to 127.0.0.1:25 successfully.
[2026-10-03 21:57:57] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 03:27:57 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 21:57:58] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-03 21:57:58] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 21:57:58] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 21:57:58] Password Response: 235 Authentication succeeded
[2026-10-03 21:57:58] SMTP Authentication Successful!
[2026-10-03 21:57:58] MAIL FROM Response: 250 OK
[2026-10-03 21:57:58] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:58] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:58] Attempting socket connection to localhost:25...
[2026-10-03 21:57:58] Connected to localhost:25 successfully.
[2026-10-03 21:57:58] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 03:27:58 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-03 21:57:58] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-03 21:57:58] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-03 21:57:58] Username Response: 334 UGFzc3dvcmQ6
[2026-10-03 21:57:58] Password Response: 235 Authentication succeeded
[2026-10-03 21:57:58] SMTP Authentication Successful!
[2026-10-03 21:57:58] MAIL FROM Response: 250 OK
[2026-10-03 21:57:58] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:58] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-03 21:57:58] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-03 21:57:58] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-04 07:18:25] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-04 07:18:25] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-04 07:18:25] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-04 07:18:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 12:48:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 07:18:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-04 07:18:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 07:18:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 07:18:25] Password Response: 235 Authentication succeeded
[2026-10-04 07:18:25] SMTP Authentication Successful!
[2026-10-04 07:18:25] MAIL FROM Response: 250 OK
[2026-10-04 07:18:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:25] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-04 07:18:25] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-04 07:18:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 12:48:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 07:18:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-04 07:18:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 07:18:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 07:18:25] Password Response: 235 Authentication succeeded
[2026-10-04 07:18:25] SMTP Authentication Successful!
[2026-10-04 07:18:25] MAIL FROM Response: 250 OK
[2026-10-04 07:18:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:25] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-04 07:18:25] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-04 07:18:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 12:48:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 07:18:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-04 07:18:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 07:18:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 07:18:25] Password Response: 235 Authentication succeeded
[2026-10-04 07:18:25] SMTP Authentication Successful!
[2026-10-04 07:18:25] MAIL FROM Response: 250 OK
[2026-10-04 07:18:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:25] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-04 07:18:25] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-04 07:18:25] Attempting socket connection to 127.0.0.1:25...
[2026-10-04 07:18:25] Connected to 127.0.0.1:25 successfully.
[2026-10-04 07:18:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 12:48:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 07:18:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-04 07:18:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 07:18:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 07:18:25] Password Response: 235 Authentication succeeded
[2026-10-04 07:18:25] SMTP Authentication Successful!
[2026-10-04 07:18:25] MAIL FROM Response: 250 OK
[2026-10-04 07:18:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:25] Attempting socket connection to localhost:25...
[2026-10-04 07:18:25] Connected to localhost:25 successfully.
[2026-10-04 07:18:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 12:48:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 07:18:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-04 07:18:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 07:18:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 07:18:25] Password Response: 235 Authentication succeeded
[2026-10-04 07:18:25] SMTP Authentication Successful!
[2026-10-04 07:18:25] MAIL FROM Response: 250 OK
[2026-10-04 07:18:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:25] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-04 07:18:25] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-04 07:18:26] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-04 07:18:26] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-04 07:18:26] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-04 07:18:26] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 12:48:26 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 07:18:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-04 07:18:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 07:18:26] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 07:18:26] Password Response: 235 Authentication succeeded
[2026-10-04 07:18:26] SMTP Authentication Successful!
[2026-10-04 07:18:26] MAIL FROM Response: 250 OK
[2026-10-04 07:18:26] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:26] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:26] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-04 07:18:26] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-04 07:18:26] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 12:48:26 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 07:18:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-04 07:18:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 07:18:26] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 07:18:26] Password Response: 235 Authentication succeeded
[2026-10-04 07:18:26] SMTP Authentication Successful!
[2026-10-04 07:18:26] MAIL FROM Response: 250 OK
[2026-10-04 07:18:26] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:26] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:26] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-04 07:18:26] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-04 07:18:26] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 12:48:26 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 07:18:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-04 07:18:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 07:18:26] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 07:18:26] Password Response: 235 Authentication succeeded
[2026-10-04 07:18:26] SMTP Authentication Successful!
[2026-10-04 07:18:26] MAIL FROM Response: 250 OK
[2026-10-04 07:18:26] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:26] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:26] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-04 07:18:26] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-04 07:18:26] Attempting socket connection to 127.0.0.1:25...
[2026-10-04 07:18:26] Connected to 127.0.0.1:25 successfully.
[2026-10-04 07:18:26] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 12:48:26 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 07:18:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-04 07:18:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 07:18:26] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 07:18:26] Password Response: 235 Authentication succeeded
[2026-10-04 07:18:26] SMTP Authentication Successful!
[2026-10-04 07:18:26] MAIL FROM Response: 250 OK
[2026-10-04 07:18:26] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:26] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:26] Attempting socket connection to localhost:25...
[2026-10-04 07:18:26] Connected to localhost:25 successfully.
[2026-10-04 07:18:26] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 12:48:26 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 07:18:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-04 07:18:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 07:18:26] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 07:18:26] Password Response: 235 Authentication succeeded
[2026-10-04 07:18:26] SMTP Authentication Successful!
[2026-10-04 07:18:26] MAIL FROM Response: 250 OK
[2026-10-04 07:18:26] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:26] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 07:18:26] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-04 07:18:26] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-04 13:56:01] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-04 13:56:01] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-04 13:56:01] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-04 13:56:01] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 19:26:01 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 13:56:01] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-04 13:56:01] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 13:56:01] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 13:56:01] Password Response: 235 Authentication succeeded
[2026-10-04 13:56:01] SMTP Authentication Successful!
[2026-10-04 13:56:01] MAIL FROM Response: 250 OK
[2026-10-04 13:56:01] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 13:56:01] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 13:56:01] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-04 13:56:01] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-04 13:56:01] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 19:26:01 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 13:56:01] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-04 13:56:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 13:56:02] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 13:56:02] Password Response: 235 Authentication succeeded
[2026-10-04 13:56:02] SMTP Authentication Successful!
[2026-10-04 13:56:02] MAIL FROM Response: 250 OK
[2026-10-04 13:56:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 13:56:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 13:56:02] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-04 13:56:02] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-04 13:56:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 19:26:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 13:56:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-04 13:56:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 13:56:02] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 13:56:02] Password Response: 235 Authentication succeeded
[2026-10-04 13:56:02] SMTP Authentication Successful!
[2026-10-04 13:56:02] MAIL FROM Response: 250 OK
[2026-10-04 13:56:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 13:56:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 13:56:02] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-04 13:56:02] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-04 13:56:02] Attempting socket connection to 127.0.0.1:25...
[2026-10-04 13:56:02] Connected to 127.0.0.1:25 successfully.
[2026-10-04 13:56:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 19:26:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 13:56:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-04 13:56:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 13:56:02] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 13:56:02] Password Response: 235 Authentication succeeded
[2026-10-04 13:56:02] SMTP Authentication Successful!
[2026-10-04 13:56:02] MAIL FROM Response: 250 OK
[2026-10-04 13:56:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 13:56:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 13:56:02] Attempting socket connection to localhost:25...
[2026-10-04 13:56:02] Connected to localhost:25 successfully.
[2026-10-04 13:56:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 04 Oct 2026 19:26:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-04 13:56:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-04 13:56:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-04 13:56:02] Username Response: 334 UGFzc3dvcmQ6
[2026-10-04 13:56:02] Password Response: 235 Authentication succeeded
[2026-10-04 13:56:02] SMTP Authentication Successful!
[2026-10-04 13:56:02] MAIL FROM Response: 250 OK
[2026-10-04 13:56:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 13:56:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-04 13:56:02] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-04 13:56:02] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-05 06:02:59] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-05 06:02:59] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-05 06:02:59] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-05 06:02:59] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 05 Oct 2026 11:32:59 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-05 06:02:59] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-05 06:02:59] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-05 06:02:59] Username Response: 334 UGFzc3dvcmQ6
[2026-10-05 06:02:59] Password Response: 235 Authentication succeeded
[2026-10-05 06:02:59] SMTP Authentication Successful!
[2026-10-05 06:02:59] MAIL FROM Response: 250 OK
[2026-10-05 06:02:59] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-05 06:02:59] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-05 06:02:59] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-05 06:02:59] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-05 06:02:59] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 05 Oct 2026 11:32:59 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-05 06:02:59] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-05 06:02:59] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-05 06:02:59] Username Response: 334 UGFzc3dvcmQ6
[2026-10-05 06:02:59] Password Response: 235 Authentication succeeded
[2026-10-05 06:02:59] SMTP Authentication Successful!
[2026-10-05 06:02:59] MAIL FROM Response: 250 OK
[2026-10-05 06:02:59] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-05 06:02:59] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-05 06:02:59] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-05 06:03:00] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-05 06:03:00] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 05 Oct 2026 11:33:00 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-05 06:03:00] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-05 06:03:00] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-05 06:03:00] Username Response: 334 UGFzc3dvcmQ6
[2026-10-05 06:03:00] Password Response: 235 Authentication succeeded
[2026-10-05 06:03:00] SMTP Authentication Successful!
[2026-10-05 06:03:00] MAIL FROM Response: 250 OK
[2026-10-05 06:03:00] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-05 06:03:00] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-05 06:03:00] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-05 06:03:00] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-05 06:03:00] Attempting socket connection to 127.0.0.1:25...
[2026-10-05 06:03:00] Connected to 127.0.0.1:25 successfully.
[2026-10-05 06:03:00] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 05 Oct 2026 11:33:00 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-05 06:03:00] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-05 06:03:00] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-05 06:03:00] Username Response: 334 UGFzc3dvcmQ6
[2026-10-05 06:03:00] Password Response: 235 Authentication succeeded
[2026-10-05 06:03:00] SMTP Authentication Successful!
[2026-10-05 06:03:00] MAIL FROM Response: 250 OK
[2026-10-05 06:03:00] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-05 06:03:00] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-05 06:03:00] Attempting socket connection to localhost:25...
[2026-10-05 06:03:00] Connected to localhost:25 successfully.
[2026-10-05 06:03:00] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 05 Oct 2026 11:33:00 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-05 06:03:00] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-05 06:03:00] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-05 06:03:00] Username Response: 334 UGFzc3dvcmQ6
[2026-10-05 06:03:00] Password Response: 235 Authentication succeeded
[2026-10-05 06:03:00] SMTP Authentication Successful!
[2026-10-05 06:03:00] MAIL FROM Response: 250 OK
[2026-10-05 06:03:00] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-05 06:03:00] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-05 06:03:00] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-05 06:03:00] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-06 02:57:51] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-06 02:57:51] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-06 02:57:51] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-06 02:57:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 08:27:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 02:57:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 02:57:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 02:57:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 02:57:51] Password Response: 235 Authentication succeeded
[2026-10-06 02:57:51] SMTP Authentication Successful!
[2026-10-06 02:57:51] MAIL FROM Response: 250 OK
[2026-10-06 02:57:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:51] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-06 02:57:51] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-06 02:57:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 08:27:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 02:57:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 02:57:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 02:57:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 02:57:51] Password Response: 235 Authentication succeeded
[2026-10-06 02:57:51] SMTP Authentication Successful!
[2026-10-06 02:57:51] MAIL FROM Response: 250 OK
[2026-10-06 02:57:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:51] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-06 02:57:51] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-06 02:57:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 08:27:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 02:57:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 02:57:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 02:57:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 02:57:51] Password Response: 235 Authentication succeeded
[2026-10-06 02:57:51] SMTP Authentication Successful!
[2026-10-06 02:57:51] MAIL FROM Response: 250 OK
[2026-10-06 02:57:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:51] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-06 02:57:51] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-06 02:57:51] Attempting socket connection to 127.0.0.1:25...
[2026-10-06 02:57:51] Connected to 127.0.0.1:25 successfully.
[2026-10-06 02:57:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 08:27:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 02:57:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-06 02:57:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 02:57:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 02:57:51] Password Response: 235 Authentication succeeded
[2026-10-06 02:57:51] SMTP Authentication Successful!
[2026-10-06 02:57:51] MAIL FROM Response: 250 OK
[2026-10-06 02:57:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:51] Attempting socket connection to localhost:25...
[2026-10-06 02:57:51] Connected to localhost:25 successfully.
[2026-10-06 02:57:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 08:27:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 02:57:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-06 02:57:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 02:57:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 02:57:51] Password Response: 235 Authentication succeeded
[2026-10-06 02:57:51] SMTP Authentication Successful!
[2026-10-06 02:57:51] MAIL FROM Response: 250 OK
[2026-10-06 02:57:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:51] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-06 02:57:51] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-06 02:57:51] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-06 02:57:51] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-06 02:57:51] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-06 02:57:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 08:27:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 02:57:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 02:57:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 02:57:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 02:57:51] Password Response: 235 Authentication succeeded
[2026-10-06 02:57:51] SMTP Authentication Successful!
[2026-10-06 02:57:51] MAIL FROM Response: 250 OK
[2026-10-06 02:57:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:51] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-06 02:57:52] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-06 02:57:52] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 08:27:52 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 02:57:52] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 02:57:52] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 02:57:52] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 02:57:52] Password Response: 235 Authentication succeeded
[2026-10-06 02:57:52] SMTP Authentication Successful!
[2026-10-06 02:57:52] MAIL FROM Response: 250 OK
[2026-10-06 02:57:52] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:52] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:52] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-06 02:57:52] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-06 02:57:52] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 08:27:52 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 02:57:52] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 02:57:52] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 02:57:52] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 02:57:52] Password Response: 235 Authentication succeeded
[2026-10-06 02:57:52] SMTP Authentication Successful!
[2026-10-06 02:57:52] MAIL FROM Response: 250 OK
[2026-10-06 02:57:52] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:52] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:52] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-06 02:57:52] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-06 02:57:52] Attempting socket connection to 127.0.0.1:25...
[2026-10-06 02:57:52] Connected to 127.0.0.1:25 successfully.
[2026-10-06 02:57:52] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 08:27:52 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 02:57:52] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-06 02:57:52] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 02:57:52] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 02:57:52] Password Response: 235 Authentication succeeded
[2026-10-06 02:57:52] SMTP Authentication Successful!
[2026-10-06 02:57:52] MAIL FROM Response: 250 OK
[2026-10-06 02:57:52] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:52] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:52] Attempting socket connection to localhost:25...
[2026-10-06 02:57:52] Connected to localhost:25 successfully.
[2026-10-06 02:57:52] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 08:27:52 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 02:57:52] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-06 02:57:52] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 02:57:52] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 02:57:52] Password Response: 235 Authentication succeeded
[2026-10-06 02:57:52] SMTP Authentication Successful!
[2026-10-06 02:57:52] MAIL FROM Response: 250 OK
[2026-10-06 02:57:52] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:52] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 02:57:52] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-06 02:57:52] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-06 05:39:44] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-06 05:39:44] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-06 05:39:44] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-06 05:39:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 11:09:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 05:39:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 05:39:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 05:39:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 05:39:44] Password Response: 235 Authentication succeeded
[2026-10-06 05:39:44] SMTP Authentication Successful!
[2026-10-06 05:39:44] MAIL FROM Response: 250 OK
[2026-10-06 05:39:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 05:39:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 05:39:44] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-06 05:39:44] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-06 05:39:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 11:09:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 05:39:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 05:39:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 05:39:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 05:39:44] Password Response: 235 Authentication succeeded
[2026-10-06 05:39:44] SMTP Authentication Successful!
[2026-10-06 05:39:44] MAIL FROM Response: 250 OK
[2026-10-06 05:39:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 05:39:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 05:39:44] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-06 05:39:44] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-06 05:39:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 11:09:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 05:39:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 05:39:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 05:39:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 05:39:44] Password Response: 235 Authentication succeeded
[2026-10-06 05:39:44] SMTP Authentication Successful!
[2026-10-06 05:39:44] MAIL FROM Response: 250 OK
[2026-10-06 05:39:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 05:39:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 05:39:44] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-06 05:39:44] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-06 05:39:44] Attempting socket connection to 127.0.0.1:25...
[2026-10-06 05:39:44] Connected to 127.0.0.1:25 successfully.
[2026-10-06 05:39:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 11:09:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 05:39:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-06 05:39:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 05:39:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 05:39:44] Password Response: 235 Authentication succeeded
[2026-10-06 05:39:44] SMTP Authentication Successful!
[2026-10-06 05:39:44] MAIL FROM Response: 250 OK
[2026-10-06 05:39:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 05:39:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 05:39:44] Attempting socket connection to localhost:25...
[2026-10-06 05:39:44] Connected to localhost:25 successfully.
[2026-10-06 05:39:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 11:09:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 05:39:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-06 05:39:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 05:39:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 05:39:44] Password Response: 235 Authentication succeeded
[2026-10-06 05:39:44] SMTP Authentication Successful!
[2026-10-06 05:39:44] MAIL FROM Response: 250 OK
[2026-10-06 05:39:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 05:39:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 05:39:44] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-06 05:39:45] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-06 06:46:47] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-06 06:46:47] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-06 06:46:47] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-06 06:46:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 12:16:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 06:46:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 06:46:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 06:46:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 06:46:47] Password Response: 235 Authentication succeeded
[2026-10-06 06:46:47] SMTP Authentication Successful!
[2026-10-06 06:46:47] MAIL FROM Response: 250 OK
[2026-10-06 06:46:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-06 06:46:47] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-06 06:46:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 12:16:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 06:46:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 06:46:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 06:46:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 06:46:47] Password Response: 235 Authentication succeeded
[2026-10-06 06:46:47] SMTP Authentication Successful!
[2026-10-06 06:46:47] MAIL FROM Response: 250 OK
[2026-10-06 06:46:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-06 06:46:47] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-06 06:46:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 12:16:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 06:46:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 06:46:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 06:46:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 06:46:47] Password Response: 235 Authentication succeeded
[2026-10-06 06:46:47] SMTP Authentication Successful!
[2026-10-06 06:46:47] MAIL FROM Response: 250 OK
[2026-10-06 06:46:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-06 06:46:47] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-06 06:46:47] Attempting socket connection to 127.0.0.1:25...
[2026-10-06 06:46:47] Connected to 127.0.0.1:25 successfully.
[2026-10-06 06:46:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 12:16:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 06:46:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-06 06:46:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 06:46:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 06:46:47] Password Response: 235 Authentication succeeded
[2026-10-06 06:46:47] SMTP Authentication Successful!
[2026-10-06 06:46:47] MAIL FROM Response: 250 OK
[2026-10-06 06:46:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] Attempting socket connection to localhost:25...
[2026-10-06 06:46:47] Connected to localhost:25 successfully.
[2026-10-06 06:46:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 12:16:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 06:46:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-06 06:46:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 06:46:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 06:46:47] Password Response: 235 Authentication succeeded
[2026-10-06 06:46:47] SMTP Authentication Successful!
[2026-10-06 06:46:47] MAIL FROM Response: 250 OK
[2026-10-06 06:46:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-06 06:46:47] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-06 06:46:47] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-06 06:46:47] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-06 06:46:47] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-06 06:46:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 12:16:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 06:46:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 06:46:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 06:46:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 06:46:47] Password Response: 235 Authentication succeeded
[2026-10-06 06:46:47] SMTP Authentication Successful!
[2026-10-06 06:46:47] MAIL FROM Response: 250 OK
[2026-10-06 06:46:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-06 06:46:47] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-06 06:46:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 12:16:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 06:46:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 06:46:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 06:46:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 06:46:47] Password Response: 235 Authentication succeeded
[2026-10-06 06:46:47] SMTP Authentication Successful!
[2026-10-06 06:46:47] MAIL FROM Response: 250 OK
[2026-10-06 06:46:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-06 06:46:47] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-06 06:46:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 12:16:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 06:46:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 06:46:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 06:46:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 06:46:47] Password Response: 235 Authentication succeeded
[2026-10-06 06:46:47] SMTP Authentication Successful!
[2026-10-06 06:46:47] MAIL FROM Response: 250 OK
[2026-10-06 06:46:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:47] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-06 06:46:48] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-06 06:46:48] Attempting socket connection to 127.0.0.1:25...
[2026-10-06 06:46:48] Connected to 127.0.0.1:25 successfully.
[2026-10-06 06:46:48] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 12:16:48 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 06:46:48] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-06 06:46:48] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 06:46:48] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 06:46:48] Password Response: 235 Authentication succeeded
[2026-10-06 06:46:48] SMTP Authentication Successful!
[2026-10-06 06:46:48] MAIL FROM Response: 250 OK
[2026-10-06 06:46:48] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:48] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:48] Attempting socket connection to localhost:25...
[2026-10-06 06:46:48] Connected to localhost:25 successfully.
[2026-10-06 06:46:48] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 12:16:48 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 06:46:48] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-06 06:46:48] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 06:46:48] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 06:46:48] Password Response: 235 Authentication succeeded
[2026-10-06 06:46:48] SMTP Authentication Successful!
[2026-10-06 06:46:48] MAIL FROM Response: 250 OK
[2026-10-06 06:46:48] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:48] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 06:46:48] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-06 06:46:48] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-06 14:43:21] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-06 14:43:21] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-06 14:43:21] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-06 14:43:22] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 20:13:21 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 14:43:22] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 14:43:22] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 14:43:22] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 14:43:22] Password Response: 235 Authentication succeeded
[2026-10-06 14:43:22] SMTP Authentication Successful!
[2026-10-06 14:43:22] MAIL FROM Response: 250 OK
[2026-10-06 14:43:22] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 14:43:22] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 14:43:22] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-06 14:43:22] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-06 14:43:22] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 20:13:22 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 14:43:22] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 14:43:22] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 14:43:22] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 14:43:22] Password Response: 235 Authentication succeeded
[2026-10-06 14:43:22] SMTP Authentication Successful!
[2026-10-06 14:43:22] MAIL FROM Response: 250 OK
[2026-10-06 14:43:22] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 14:43:22] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 14:43:22] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-06 14:43:22] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-06 14:43:22] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 20:13:22 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 14:43:22] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-06 14:43:22] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 14:43:22] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 14:43:22] Password Response: 235 Authentication succeeded
[2026-10-06 14:43:22] SMTP Authentication Successful!
[2026-10-06 14:43:22] MAIL FROM Response: 250 OK
[2026-10-06 14:43:22] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 14:43:22] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 14:43:22] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-06 14:43:22] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-06 14:43:22] Attempting socket connection to 127.0.0.1:25...
[2026-10-06 14:43:22] Connected to 127.0.0.1:25 successfully.
[2026-10-06 14:43:22] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 20:13:22 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 14:43:23] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-06 14:43:23] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 14:43:23] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 14:43:23] Password Response: 235 Authentication succeeded
[2026-10-06 14:43:23] SMTP Authentication Successful!
[2026-10-06 14:43:23] MAIL FROM Response: 250 OK
[2026-10-06 14:43:23] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 14:43:23] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 14:43:23] Attempting socket connection to localhost:25...
[2026-10-06 14:43:23] Connected to localhost:25 successfully.
[2026-10-06 14:43:23] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 06 Oct 2026 20:13:23 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-06 14:43:23] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-06 14:43:23] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-06 14:43:23] Username Response: 334 UGFzc3dvcmQ6
[2026-10-06 14:43:23] Password Response: 235 Authentication succeeded
[2026-10-06 14:43:23] SMTP Authentication Successful!
[2026-10-06 14:43:23] MAIL FROM Response: 250 OK
[2026-10-06 14:43:23] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 14:43:23] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-06 14:43:23] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-06 14:43:24] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-07 03:40:46] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-07 03:40:46] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-07 03:40:46] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-07 03:40:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 09:10:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 03:40:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-07 03:40:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 03:40:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 03:40:46] Password Response: 235 Authentication succeeded
[2026-10-07 03:40:46] SMTP Authentication Successful!
[2026-10-07 03:40:46] MAIL FROM Response: 250 OK
[2026-10-07 03:40:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 03:40:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 03:40:46] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-07 03:40:46] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-07 03:40:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 09:10:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 03:40:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-07 03:40:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 03:40:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 03:40:47] Password Response: 235 Authentication succeeded
[2026-10-07 03:40:47] SMTP Authentication Successful!
[2026-10-07 03:40:47] MAIL FROM Response: 250 OK
[2026-10-07 03:40:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 03:40:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 03:40:47] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-07 03:40:47] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-07 03:40:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 09:10:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 03:40:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-07 03:40:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 03:40:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 03:40:47] Password Response: 235 Authentication succeeded
[2026-10-07 03:40:47] SMTP Authentication Successful!
[2026-10-07 03:40:47] MAIL FROM Response: 250 OK
[2026-10-07 03:40:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 03:40:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 03:40:47] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-07 03:40:47] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-07 03:40:47] Attempting socket connection to 127.0.0.1:25...
[2026-10-07 03:40:47] Connected to 127.0.0.1:25 successfully.
[2026-10-07 03:40:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 09:10:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 03:40:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-07 03:40:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 03:40:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 03:40:47] Password Response: 235 Authentication succeeded
[2026-10-07 03:40:47] SMTP Authentication Successful!
[2026-10-07 03:40:47] MAIL FROM Response: 250 OK
[2026-10-07 03:40:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 03:40:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 03:40:47] Attempting socket connection to localhost:25...
[2026-10-07 03:40:47] Connected to localhost:25 successfully.
[2026-10-07 03:40:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 09:10:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 03:40:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-07 03:40:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 03:40:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 03:40:47] Password Response: 235 Authentication succeeded
[2026-10-07 03:40:47] SMTP Authentication Successful!
[2026-10-07 03:40:47] MAIL FROM Response: 250 OK
[2026-10-07 03:40:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 03:40:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 03:40:47] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-07 03:40:47] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-07 12:52:44] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-07 12:52:44] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-07 12:52:44] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-07 12:52:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 18:22:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 12:52:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-07 12:52:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 12:52:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 12:52:44] Password Response: 235 Authentication succeeded
[2026-10-07 12:52:44] SMTP Authentication Successful!
[2026-10-07 12:52:44] MAIL FROM Response: 250 OK
[2026-10-07 12:52:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 12:52:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 12:52:44] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-07 12:52:44] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-07 12:52:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 18:22:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 12:52:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-07 12:52:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 12:52:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 12:52:44] Password Response: 235 Authentication succeeded
[2026-10-07 12:52:44] SMTP Authentication Successful!
[2026-10-07 12:52:44] MAIL FROM Response: 250 OK
[2026-10-07 12:52:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 12:52:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 12:52:44] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-07 12:52:44] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-07 12:52:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 18:22:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 12:52:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-07 12:52:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 12:52:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 12:52:44] Password Response: 235 Authentication succeeded
[2026-10-07 12:52:44] SMTP Authentication Successful!
[2026-10-07 12:52:44] MAIL FROM Response: 250 OK
[2026-10-07 12:52:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 12:52:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 12:52:44] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-07 12:52:44] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-07 12:52:44] Attempting socket connection to 127.0.0.1:25...
[2026-10-07 12:52:44] Connected to 127.0.0.1:25 successfully.
[2026-10-07 12:52:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 18:22:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 12:52:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-07 12:52:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 12:52:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 12:52:44] Password Response: 235 Authentication succeeded
[2026-10-07 12:52:44] SMTP Authentication Successful!
[2026-10-07 12:52:44] MAIL FROM Response: 250 OK
[2026-10-07 12:52:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 12:52:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 12:52:44] Attempting socket connection to localhost:25...
[2026-10-07 12:52:44] Connected to localhost:25 successfully.
[2026-10-07 12:52:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 18:22:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 12:52:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-07 12:52:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 12:52:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 12:52:44] Password Response: 235 Authentication succeeded
[2026-10-07 12:52:44] SMTP Authentication Successful!
[2026-10-07 12:52:44] MAIL FROM Response: 250 OK
[2026-10-07 12:52:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 12:52:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 12:52:44] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-07 12:52:44] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-07 16:47:13] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-07 16:47:13] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-07 16:47:13] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-07 16:47:13] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 22:17:13 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 16:47:13] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-07 16:47:13] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 16:47:13] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 16:47:13] Password Response: 235 Authentication succeeded
[2026-10-07 16:47:13] SMTP Authentication Successful!
[2026-10-07 16:47:13] MAIL FROM Response: 250 OK
[2026-10-07 16:47:13] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 16:47:13] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 16:47:13] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-07 16:47:13] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-07 16:47:13] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 22:17:13 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 16:47:13] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-07 16:47:13] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 16:47:13] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 16:47:13] Password Response: 235 Authentication succeeded
[2026-10-07 16:47:13] SMTP Authentication Successful!
[2026-10-07 16:47:13] MAIL FROM Response: 250 OK
[2026-10-07 16:47:13] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 16:47:13] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 16:47:13] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-07 16:47:13] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-07 16:47:13] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 22:17:13 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 16:47:13] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-07 16:47:13] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 16:47:13] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 16:47:13] Password Response: 235 Authentication succeeded
[2026-10-07 16:47:13] SMTP Authentication Successful!
[2026-10-07 16:47:13] MAIL FROM Response: 250 OK
[2026-10-07 16:47:13] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 16:47:13] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 16:47:13] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-07 16:47:13] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-07 16:47:13] Attempting socket connection to 127.0.0.1:25...
[2026-10-07 16:47:13] Connected to 127.0.0.1:25 successfully.
[2026-10-07 16:47:13] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 22:17:13 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 16:47:13] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-07 16:47:13] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 16:47:13] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 16:47:13] Password Response: 235 Authentication succeeded
[2026-10-07 16:47:13] SMTP Authentication Successful!
[2026-10-07 16:47:13] MAIL FROM Response: 250 OK
[2026-10-07 16:47:13] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 16:47:13] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 16:47:13] Attempting socket connection to localhost:25...
[2026-10-07 16:47:13] Connected to localhost:25 successfully.
[2026-10-07 16:47:13] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 07 Oct 2026 22:17:13 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-07 16:47:14] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-07 16:47:14] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-07 16:47:14] Username Response: 334 UGFzc3dvcmQ6
[2026-10-07 16:47:14] Password Response: 235 Authentication succeeded
[2026-10-07 16:47:14] SMTP Authentication Successful!
[2026-10-07 16:47:14] MAIL FROM Response: 250 OK
[2026-10-07 16:47:14] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 16:47:14] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-07 16:47:14] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-07 16:47:14] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-08 00:17:58] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-08 00:17:58] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-08 00:17:58] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-08 00:17:58] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 05:47:58 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 00:17:58] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-08 00:17:58] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 00:17:58] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 00:17:58] Password Response: 235 Authentication succeeded
[2026-10-08 00:17:58] SMTP Authentication Successful!
[2026-10-08 00:17:58] MAIL FROM Response: 250 OK
[2026-10-08 00:17:58] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 00:17:58] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 00:17:58] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-08 00:17:58] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-08 00:17:58] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 05:47:58 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 00:17:58] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-08 00:17:58] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 00:17:58] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 00:17:58] Password Response: 235 Authentication succeeded
[2026-10-08 00:17:58] SMTP Authentication Successful!
[2026-10-08 00:17:58] MAIL FROM Response: 250 OK
[2026-10-08 00:17:58] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 00:17:58] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 00:17:58] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-08 00:17:58] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-08 00:17:58] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 05:47:58 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 00:17:58] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-08 00:17:58] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 00:17:58] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 00:17:58] Password Response: 235 Authentication succeeded
[2026-10-08 00:17:58] SMTP Authentication Successful!
[2026-10-08 00:17:58] MAIL FROM Response: 250 OK
[2026-10-08 00:17:58] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 00:17:58] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 00:17:58] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-08 00:17:58] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-08 00:17:58] Attempting socket connection to 127.0.0.1:25...
[2026-10-08 00:17:58] Connected to 127.0.0.1:25 successfully.
[2026-10-08 00:17:58] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 05:47:58 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 00:17:58] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-08 00:17:58] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 00:17:58] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 00:17:58] Password Response: 235 Authentication succeeded
[2026-10-08 00:17:58] SMTP Authentication Successful!
[2026-10-08 00:17:58] MAIL FROM Response: 250 OK
[2026-10-08 00:17:58] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 00:17:58] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 00:17:58] Attempting socket connection to localhost:25...
[2026-10-08 00:17:58] Connected to localhost:25 successfully.
[2026-10-08 00:17:58] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 05:47:58 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 00:17:58] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-08 00:17:58] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 00:17:58] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 00:17:58] Password Response: 235 Authentication succeeded
[2026-10-08 00:17:58] SMTP Authentication Successful!
[2026-10-08 00:17:58] MAIL FROM Response: 250 OK
[2026-10-08 00:17:58] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 00:17:58] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 00:17:58] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-08 00:17:58] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-08 07:27:50] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-08 07:27:50] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-08 07:27:50] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-08 07:27:50] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 12:57:50 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 07:27:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-08 07:27:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 07:27:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 07:27:51] Password Response: 235 Authentication succeeded
[2026-10-08 07:27:51] SMTP Authentication Successful!
[2026-10-08 07:27:51] MAIL FROM Response: 250 OK
[2026-10-08 07:27:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-08 07:27:51] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-08 07:27:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 12:57:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 07:27:51] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-08 07:27:51] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-08 07:27:51] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-08 07:27:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 12:57:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 07:27:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-08 07:27:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 07:27:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 07:27:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-08 07:27:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 07:27:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 07:27:51] Password Response: 235 Authentication succeeded
[2026-10-08 07:27:51] SMTP Authentication Successful!
[2026-10-08 07:27:51] MAIL FROM Response: 250 OK
[2026-10-08 07:27:51] Password Response: 235 Authentication succeeded
[2026-10-08 07:27:51] SMTP Authentication Successful!
[2026-10-08 07:27:51] MAIL FROM Response: 250 OK
[2026-10-08 07:27:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-08 07:27:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-08 07:27:51] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-08 07:27:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 12:57:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 07:27:51] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-08 07:27:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 12:57:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 07:27:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-08 07:27:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 07:27:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 07:27:51] Password Response: 235 Authentication succeeded
[2026-10-08 07:27:51] SMTP Authentication Successful!
[2026-10-08 07:27:51] MAIL FROM Response: 250 OK
[2026-10-08 07:27:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-08 07:27:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 07:27:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 07:27:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-08 07:27:51] Password Response: 235 Authentication succeeded
[2026-10-08 07:27:51] SMTP Authentication Successful!
[2026-10-08 07:27:51] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-08 07:27:51] Attempting socket connection to 127.0.0.1:25...
[2026-10-08 07:27:51] MAIL FROM Response: 250 OK
[2026-10-08 07:27:51] Connected to 127.0.0.1:25 successfully.
[2026-10-08 07:27:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 12:57:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 07:27:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-08 07:27:51] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-08 07:27:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 12:57:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 07:27:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-08 07:27:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 07:27:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 07:27:51] Password Response: 235 Authentication succeeded
[2026-10-08 07:27:51] SMTP Authentication Successful!
[2026-10-08 07:27:51] MAIL FROM Response: 250 OK
[2026-10-08 07:27:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-08 07:27:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 07:27:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 07:27:51] Password Response: 235 Authentication succeeded
[2026-10-08 07:27:51] SMTP Authentication Successful!
[2026-10-08 07:27:51] MAIL FROM Response: 250 OK
[2026-10-08 07:27:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] Attempting socket connection to localhost:25...
[2026-10-08 07:27:51] Connected to localhost:25 successfully.
[2026-10-08 07:27:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 12:57:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 07:27:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-08 07:27:51] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-08 07:27:51] Attempting socket connection to 127.0.0.1:25...
[2026-10-08 07:27:51] Connected to 127.0.0.1:25 successfully.
[2026-10-08 07:27:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 12:57:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 07:27:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-08 07:27:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 07:27:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 07:27:51] Password Response: 235 Authentication succeeded
[2026-10-08 07:27:51] SMTP Authentication Successful!
[2026-10-08 07:27:51] MAIL FROM Response: 250 OK
[2026-10-08 07:27:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-08 07:27:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 07:27:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 07:27:51] Password Response: 235 Authentication succeeded
[2026-10-08 07:27:51] SMTP Authentication Successful!
[2026-10-08 07:27:51] MAIL FROM Response: 250 OK
[2026-10-08 07:27:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-08 07:27:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] Attempting socket connection to localhost:25...
[2026-10-08 07:27:51] Connected to localhost:25 successfully.
[2026-10-08 07:27:51] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 08 Oct 2026 12:57:51 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-08 07:27:51] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-08 07:27:51] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-08 07:27:51] Username Response: 334 UGFzc3dvcmQ6
[2026-10-08 07:27:51] Password Response: 235 Authentication succeeded
[2026-10-08 07:27:51] SMTP Authentication Successful!
[2026-10-08 07:27:51] MAIL FROM Response: 250 OK
[2026-10-08 07:27:51] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-08 07:27:51] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-08 07:27:51] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-08 07:27:51] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-09 07:57:34] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-09 07:57:34] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-09 07:57:34] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-09 07:57:34] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 09 Oct 2026 13:27:34 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-09 07:57:34] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-09 07:57:34] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-09 07:57:34] Username Response: 334 UGFzc3dvcmQ6
[2026-10-09 07:57:34] Password Response: 235 Authentication succeeded
[2026-10-09 07:57:34] SMTP Authentication Successful!
[2026-10-09 07:57:34] MAIL FROM Response: 250 OK
[2026-10-09 07:57:34] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 07:57:34] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 07:57:34] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-09 07:57:34] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-09 07:57:34] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 09 Oct 2026 13:27:34 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-09 07:57:34] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-09 07:57:34] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-09 07:57:34] Username Response: 334 UGFzc3dvcmQ6
[2026-10-09 07:57:34] Password Response: 235 Authentication succeeded
[2026-10-09 07:57:34] SMTP Authentication Successful!
[2026-10-09 07:57:34] MAIL FROM Response: 250 OK
[2026-10-09 07:57:34] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 07:57:34] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 07:57:34] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-09 07:57:34] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-09 07:57:34] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 09 Oct 2026 13:27:34 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-09 07:57:34] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-09 07:57:34] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-09 07:57:34] Username Response: 334 UGFzc3dvcmQ6
[2026-10-09 07:57:34] Password Response: 235 Authentication succeeded
[2026-10-09 07:57:34] SMTP Authentication Successful!
[2026-10-09 07:57:34] MAIL FROM Response: 250 OK
[2026-10-09 07:57:34] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 07:57:34] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 07:57:34] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-09 07:57:34] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-09 07:57:34] Attempting socket connection to 127.0.0.1:25...
[2026-10-09 07:57:34] Connected to 127.0.0.1:25 successfully.
[2026-10-09 07:57:34] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 09 Oct 2026 13:27:34 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-09 07:57:35] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-09 07:57:35] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-09 07:57:35] Username Response: 334 UGFzc3dvcmQ6
[2026-10-09 07:57:35] Password Response: 235 Authentication succeeded
[2026-10-09 07:57:35] SMTP Authentication Successful!
[2026-10-09 07:57:35] MAIL FROM Response: 250 OK
[2026-10-09 07:57:35] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 07:57:35] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 07:57:35] Attempting socket connection to localhost:25...
[2026-10-09 07:57:35] Connected to localhost:25 successfully.
[2026-10-09 07:57:35] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 09 Oct 2026 13:27:35 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-09 07:57:35] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-09 07:57:35] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-09 07:57:35] Username Response: 334 UGFzc3dvcmQ6
[2026-10-09 07:57:35] Password Response: 235 Authentication succeeded
[2026-10-09 07:57:35] SMTP Authentication Successful!
[2026-10-09 07:57:35] MAIL FROM Response: 250 OK
[2026-10-09 07:57:35] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 07:57:35] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 07:57:35] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-09 07:57:35] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-09 13:58:14] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-09 13:58:14] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-09 13:58:14] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-09 13:58:14] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 09 Oct 2026 19:28:14 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-09 13:58:14] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-09 13:58:14] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-09 13:58:14] Username Response: 334 UGFzc3dvcmQ6
[2026-10-09 13:58:14] Password Response: 235 Authentication succeeded
[2026-10-09 13:58:14] SMTP Authentication Successful!
[2026-10-09 13:58:14] MAIL FROM Response: 250 OK
[2026-10-09 13:58:14] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 13:58:14] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 13:58:14] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-09 13:58:14] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-09 13:58:14] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 09 Oct 2026 19:28:14 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-09 13:58:14] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-09 13:58:14] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-09 13:58:14] Username Response: 334 UGFzc3dvcmQ6
[2026-10-09 13:58:14] Password Response: 235 Authentication succeeded
[2026-10-09 13:58:14] SMTP Authentication Successful!
[2026-10-09 13:58:14] MAIL FROM Response: 250 OK
[2026-10-09 13:58:14] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 13:58:14] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 13:58:14] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-09 13:58:14] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-09 13:58:14] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 09 Oct 2026 19:28:14 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-09 13:58:14] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-09 13:58:14] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-09 13:58:14] Username Response: 334 UGFzc3dvcmQ6
[2026-10-09 13:58:14] Password Response: 235 Authentication succeeded
[2026-10-09 13:58:14] SMTP Authentication Successful!
[2026-10-09 13:58:14] MAIL FROM Response: 250 OK
[2026-10-09 13:58:14] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 13:58:14] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 13:58:14] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-09 13:58:14] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-09 13:58:14] Attempting socket connection to 127.0.0.1:25...
[2026-10-09 13:58:14] Connected to 127.0.0.1:25 successfully.
[2026-10-09 13:58:14] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 09 Oct 2026 19:28:14 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-09 13:58:14] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-09 13:58:14] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-09 13:58:14] Username Response: 334 UGFzc3dvcmQ6
[2026-10-09 13:58:14] Password Response: 235 Authentication succeeded
[2026-10-09 13:58:14] SMTP Authentication Successful!
[2026-10-09 13:58:14] MAIL FROM Response: 250 OK
[2026-10-09 13:58:14] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 13:58:14] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 13:58:14] Attempting socket connection to localhost:25...
[2026-10-09 13:58:14] Connected to localhost:25 successfully.
[2026-10-09 13:58:14] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 09 Oct 2026 19:28:14 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-09 13:58:14] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-09 13:58:14] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-09 13:58:14] Username Response: 334 UGFzc3dvcmQ6
[2026-10-09 13:58:14] Password Response: 235 Authentication succeeded
[2026-10-09 13:58:14] SMTP Authentication Successful!
[2026-10-09 13:58:14] MAIL FROM Response: 250 OK
[2026-10-09 13:58:14] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 13:58:14] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-09 13:58:14] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-09 13:58:14] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-10 01:06:28] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-10 01:06:28] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-10 01:06:28] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-10 01:06:28] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 06:36:28 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 01:06:28] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 01:06:28] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 01:06:28] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 01:06:28] Password Response: 235 Authentication succeeded
[2026-10-10 01:06:28] SMTP Authentication Successful!
[2026-10-10 01:06:28] MAIL FROM Response: 250 OK
[2026-10-10 01:06:28] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 01:06:28] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 01:06:28] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-10 01:06:28] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-10 01:06:28] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 06:36:28 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 01:06:28] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 01:06:28] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 01:06:28] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 01:06:28] Password Response: 235 Authentication succeeded
[2026-10-10 01:06:28] SMTP Authentication Successful!
[2026-10-10 01:06:28] MAIL FROM Response: 250 OK
[2026-10-10 01:06:28] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 01:06:28] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 01:06:28] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-10 01:06:28] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-10 01:06:28] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 06:36:28 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 01:06:28] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 01:06:28] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 01:06:28] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 01:06:28] Password Response: 235 Authentication succeeded
[2026-10-10 01:06:28] SMTP Authentication Successful!
[2026-10-10 01:06:28] MAIL FROM Response: 250 OK
[2026-10-10 01:06:28] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 01:06:28] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 01:06:28] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-10 01:06:28] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-10 01:06:28] Attempting socket connection to 127.0.0.1:25...
[2026-10-10 01:06:28] Connected to 127.0.0.1:25 successfully.
[2026-10-10 01:06:28] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 06:36:28 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 01:06:28] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-10 01:06:28] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 01:06:28] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 01:06:28] Password Response: 235 Authentication succeeded
[2026-10-10 01:06:28] SMTP Authentication Successful!
[2026-10-10 01:06:28] MAIL FROM Response: 250 OK
[2026-10-10 01:06:28] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 01:06:28] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 01:06:28] Attempting socket connection to localhost:25...
[2026-10-10 01:06:28] Connected to localhost:25 successfully.
[2026-10-10 01:06:28] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 06:36:28 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 01:06:28] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-10 01:06:28] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 01:06:28] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 01:06:28] Password Response: 235 Authentication succeeded
[2026-10-10 01:06:28] SMTP Authentication Successful!
[2026-10-10 01:06:28] MAIL FROM Response: 250 OK
[2026-10-10 01:06:28] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 01:06:28] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 01:06:28] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-10 01:06:28] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-10 02:55:46] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-10 02:55:46] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-10 02:55:46] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-10 02:55:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 08:25:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 02:55:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 02:55:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 02:55:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 02:55:46] Password Response: 235 Authentication succeeded
[2026-10-10 02:55:46] SMTP Authentication Successful!
[2026-10-10 02:55:46] MAIL FROM Response: 250 OK
[2026-10-10 02:55:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 02:55:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 02:55:46] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-10 02:55:46] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-10 02:55:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 08:25:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 02:55:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 02:55:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 02:55:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 02:55:46] Password Response: 235 Authentication succeeded
[2026-10-10 02:55:46] SMTP Authentication Successful!
[2026-10-10 02:55:46] MAIL FROM Response: 250 OK
[2026-10-10 02:55:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 02:55:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 02:55:46] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-10 02:55:46] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-10 02:55:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 08:25:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 02:55:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 02:55:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 02:55:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 02:55:46] Password Response: 235 Authentication succeeded
[2026-10-10 02:55:46] SMTP Authentication Successful!
[2026-10-10 02:55:46] MAIL FROM Response: 250 OK
[2026-10-10 02:55:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 02:55:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 02:55:46] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-10 02:55:46] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-10 02:55:46] Attempting socket connection to 127.0.0.1:25...
[2026-10-10 02:55:46] Connected to 127.0.0.1:25 successfully.
[2026-10-10 02:55:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 08:25:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 02:55:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-10 02:55:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 02:55:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 02:55:46] Password Response: 235 Authentication succeeded
[2026-10-10 02:55:46] SMTP Authentication Successful!
[2026-10-10 02:55:46] MAIL FROM Response: 250 OK
[2026-10-10 02:55:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 02:55:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 02:55:46] Attempting socket connection to localhost:25...
[2026-10-10 02:55:46] Connected to localhost:25 successfully.
[2026-10-10 02:55:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 08:25:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 02:55:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-10 02:55:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 02:55:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 02:55:46] Password Response: 235 Authentication succeeded
[2026-10-10 02:55:46] SMTP Authentication Successful!
[2026-10-10 02:55:46] MAIL FROM Response: 250 OK
[2026-10-10 02:55:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 02:55:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 02:55:46] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-10 02:55:46] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-10 07:37:33] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-10 07:37:33] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-10 07:37:33] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-10 07:37:33] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 13:07:33 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 07:37:33] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 07:37:33] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 07:37:33] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 07:37:33] Password Response: 235 Authentication succeeded
[2026-10-10 07:37:33] SMTP Authentication Successful!
[2026-10-10 07:37:33] MAIL FROM Response: 250 OK
[2026-10-10 07:37:36] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 07:37:36] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 07:37:36] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-10 07:37:36] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-10 07:37:36] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 13:07:36 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 07:37:36] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 07:37:36] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 07:37:36] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 07:37:36] Password Response: 235 Authentication succeeded
[2026-10-10 07:37:36] SMTP Authentication Successful!
[2026-10-10 07:37:36] MAIL FROM Response: 250 OK
[2026-10-10 07:37:36] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 07:37:36] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 07:37:36] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-10 07:37:36] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-10 07:37:36] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 13:07:36 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 07:37:36] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 07:37:36] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 07:37:36] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 07:37:36] Password Response: 235 Authentication succeeded
[2026-10-10 07:37:36] SMTP Authentication Successful!
[2026-10-10 07:37:36] MAIL FROM Response: 250 OK
[2026-10-10 07:37:36] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 07:37:36] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 07:37:36] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-10 07:37:36] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-10 07:37:36] Attempting socket connection to 127.0.0.1:25...
[2026-10-10 07:37:36] Connected to 127.0.0.1:25 successfully.
[2026-10-10 07:37:36] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 13:07:36 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 07:37:36] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-10 07:37:36] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 07:37:36] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 07:37:36] Password Response: 235 Authentication succeeded
[2026-10-10 07:37:36] SMTP Authentication Successful!
[2026-10-10 07:37:36] MAIL FROM Response: 250 OK
[2026-10-10 07:37:36] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 07:37:36] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 07:37:36] Attempting socket connection to localhost:25...
[2026-10-10 07:37:36] Connected to localhost:25 successfully.
[2026-10-10 07:37:36] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 13:07:36 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 07:37:36] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-10 07:37:36] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 07:37:36] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 07:37:36] Password Response: 235 Authentication succeeded
[2026-10-10 07:37:36] SMTP Authentication Successful!
[2026-10-10 07:37:36] MAIL FROM Response: 250 OK
[2026-10-10 07:37:36] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 07:37:36] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 07:37:36] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-10 07:37:36] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-10 09:28:39] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-10 09:28:39] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-10 09:28:39] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-10 09:28:39] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 14:58:39 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 09:28:39] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 09:28:39] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 09:28:39] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 09:28:39] Password Response: 235 Authentication succeeded
[2026-10-10 09:28:39] SMTP Authentication Successful!
[2026-10-10 09:28:39] MAIL FROM Response: 250 OK
[2026-10-10 09:28:39] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:39] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:39] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-10 09:28:39] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-10 09:28:39] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 14:58:39 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 09:28:39] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 09:28:39] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 09:28:39] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 09:28:39] Password Response: 235 Authentication succeeded
[2026-10-10 09:28:39] SMTP Authentication Successful!
[2026-10-10 09:28:39] MAIL FROM Response: 250 OK
[2026-10-10 09:28:39] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:39] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:39] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-10 09:28:39] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-10 09:28:39] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 14:58:39 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 09:28:39] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 09:28:39] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 09:28:39] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 09:28:39] Password Response: 235 Authentication succeeded
[2026-10-10 09:28:39] SMTP Authentication Successful!
[2026-10-10 09:28:39] MAIL FROM Response: 250 OK
[2026-10-10 09:28:39] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:39] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:39] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-10 09:28:39] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-10 09:28:39] Attempting socket connection to 127.0.0.1:25...
[2026-10-10 09:28:39] Connected to 127.0.0.1:25 successfully.
[2026-10-10 09:28:39] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 14:58:39 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 09:28:39] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-10 09:28:39] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 09:28:39] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 09:28:39] Password Response: 235 Authentication succeeded
[2026-10-10 09:28:39] SMTP Authentication Successful!
[2026-10-10 09:28:39] MAIL FROM Response: 250 OK
[2026-10-10 09:28:39] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:39] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:39] Attempting socket connection to localhost:25...
[2026-10-10 09:28:39] Connected to localhost:25 successfully.
[2026-10-10 09:28:39] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 14:58:39 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 09:28:39] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-10 09:28:39] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 09:28:39] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 09:28:39] Password Response: 235 Authentication succeeded
[2026-10-10 09:28:39] SMTP Authentication Successful!
[2026-10-10 09:28:39] MAIL FROM Response: 250 OK
[2026-10-10 09:28:39] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:39] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:39] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-10 09:28:39] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-10 09:28:40] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-10 09:28:40] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-10 09:28:40] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-10 09:28:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 14:58:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 09:28:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 09:28:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 09:28:40] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 09:28:40] Password Response: 235 Authentication succeeded
[2026-10-10 09:28:40] SMTP Authentication Successful!
[2026-10-10 09:28:40] MAIL FROM Response: 250 OK
[2026-10-10 09:28:40] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:40] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:40] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-10 09:28:40] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-10 09:28:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 14:58:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 09:28:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 09:28:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 09:28:40] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 09:28:40] Password Response: 235 Authentication succeeded
[2026-10-10 09:28:40] SMTP Authentication Successful!
[2026-10-10 09:28:40] MAIL FROM Response: 250 OK
[2026-10-10 09:28:40] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:40] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:40] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-10 09:28:40] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-10 09:28:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 14:58:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 09:28:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-10 09:28:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 09:28:40] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 09:28:40] Password Response: 235 Authentication succeeded
[2026-10-10 09:28:40] SMTP Authentication Successful!
[2026-10-10 09:28:40] MAIL FROM Response: 250 OK
[2026-10-10 09:28:40] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:40] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:40] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-10 09:28:40] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-10 09:28:40] Attempting socket connection to 127.0.0.1:25...
[2026-10-10 09:28:40] Connected to 127.0.0.1:25 successfully.
[2026-10-10 09:28:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 14:58:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 09:28:41] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-10 09:28:41] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 09:28:41] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 09:28:41] Password Response: 235 Authentication succeeded
[2026-10-10 09:28:41] SMTP Authentication Successful!
[2026-10-10 09:28:41] MAIL FROM Response: 250 OK
[2026-10-10 09:28:41] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:41] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:41] Attempting socket connection to localhost:25...
[2026-10-10 09:28:41] Connected to localhost:25 successfully.
[2026-10-10 09:28:41] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 10 Oct 2026 14:58:41 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-10 09:28:41] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-10 09:28:41] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-10 09:28:41] Username Response: 334 UGFzc3dvcmQ6
[2026-10-10 09:28:41] Password Response: 235 Authentication succeeded
[2026-10-10 09:28:41] SMTP Authentication Successful!
[2026-10-10 09:28:41] MAIL FROM Response: 250 OK
[2026-10-10 09:28:41] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:41] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-10 09:28:41] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-10 09:28:41] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-12 08:19:54] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-12 08:19:54] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-12 08:19:54] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-12 08:19:54] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 13:49:54 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 08:19:54] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 08:19:54] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 08:19:54] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 08:19:54] Password Response: 235 Authentication succeeded
[2026-10-12 08:19:54] SMTP Authentication Successful!
[2026-10-12 08:19:54] MAIL FROM Response: 250 OK
[2026-10-12 08:19:54] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:54] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:54] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-12 08:19:54] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-12 08:19:54] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 13:49:54 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 08:19:54] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 08:19:54] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 08:19:54] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 08:19:54] Password Response: 235 Authentication succeeded
[2026-10-12 08:19:54] SMTP Authentication Successful!
[2026-10-12 08:19:54] MAIL FROM Response: 250 OK
[2026-10-12 08:19:54] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:54] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:54] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-12 08:19:54] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-12 08:19:54] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 13:49:54 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 08:19:54] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 08:19:54] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 08:19:54] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 08:19:54] Password Response: 235 Authentication succeeded
[2026-10-12 08:19:54] SMTP Authentication Successful!
[2026-10-12 08:19:54] MAIL FROM Response: 250 OK
[2026-10-12 08:19:54] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:54] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:54] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-12 08:19:54] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-12 08:19:54] Attempting socket connection to 127.0.0.1:25...
[2026-10-12 08:19:54] Connected to 127.0.0.1:25 successfully.
[2026-10-12 08:19:54] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 13:49:54 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 08:19:54] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-12 08:19:54] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 08:19:54] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 08:19:54] Password Response: 235 Authentication succeeded
[2026-10-12 08:19:54] SMTP Authentication Successful!
[2026-10-12 08:19:54] MAIL FROM Response: 250 OK
[2026-10-12 08:19:54] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:54] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:54] Attempting socket connection to localhost:25...
[2026-10-12 08:19:54] Connected to localhost:25 successfully.
[2026-10-12 08:19:54] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 13:49:54 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 08:19:54] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-12 08:19:54] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 08:19:54] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 08:19:54] Password Response: 235 Authentication succeeded
[2026-10-12 08:19:54] SMTP Authentication Successful!
[2026-10-12 08:19:54] MAIL FROM Response: 250 OK
[2026-10-12 08:19:54] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:54] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:54] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-12 08:19:54] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-12 08:19:55] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-12 08:19:55] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-12 08:19:55] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-12 08:19:55] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 13:49:55 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 08:19:55] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 08:19:55] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 08:19:55] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 08:19:55] Password Response: 235 Authentication succeeded
[2026-10-12 08:19:55] SMTP Authentication Successful!
[2026-10-12 08:19:55] MAIL FROM Response: 250 OK
[2026-10-12 08:19:55] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:55] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:55] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-12 08:19:55] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-12 08:19:55] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 13:49:55 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 08:19:55] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 08:19:55] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 08:19:55] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 08:19:55] Password Response: 235 Authentication succeeded
[2026-10-12 08:19:55] SMTP Authentication Successful!
[2026-10-12 08:19:55] MAIL FROM Response: 250 OK
[2026-10-12 08:19:55] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:55] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:55] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-12 08:19:55] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-12 08:19:55] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 13:49:55 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 08:19:55] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 08:19:55] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 08:19:55] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 08:19:55] Password Response: 235 Authentication succeeded
[2026-10-12 08:19:55] SMTP Authentication Successful!
[2026-10-12 08:19:55] MAIL FROM Response: 250 OK
[2026-10-12 08:19:55] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:55] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:55] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-12 08:19:55] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-12 08:19:55] Attempting socket connection to 127.0.0.1:25...
[2026-10-12 08:19:55] Connected to 127.0.0.1:25 successfully.
[2026-10-12 08:19:55] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 13:49:55 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 08:19:55] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-12 08:19:55] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 08:19:55] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 08:19:55] Password Response: 235 Authentication succeeded
[2026-10-12 08:19:55] SMTP Authentication Successful!
[2026-10-12 08:19:55] MAIL FROM Response: 250 OK
[2026-10-12 08:19:55] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:55] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:55] Attempting socket connection to localhost:25...
[2026-10-12 08:19:55] Connected to localhost:25 successfully.
[2026-10-12 08:19:55] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 13:49:55 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 08:19:55] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-12 08:19:55] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 08:19:55] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 08:19:55] Password Response: 235 Authentication succeeded
[2026-10-12 08:19:55] SMTP Authentication Successful!
[2026-10-12 08:19:55] MAIL FROM Response: 250 OK
[2026-10-12 08:19:55] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:55] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 08:19:55] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-12 08:19:55] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-12 12:38:49] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-12 12:38:49] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-12 12:38:49] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-12 12:38:49] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 18:08:49 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 12:38:50] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 12:38:50] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 12:38:50] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 12:38:50] Password Response: 235 Authentication succeeded
[2026-10-12 12:38:50] SMTP Authentication Successful!
[2026-10-12 12:38:50] MAIL FROM Response: 250 OK
[2026-10-12 12:38:50] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 12:38:50] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 12:38:50] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-12 12:38:50] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-12 12:38:50] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 18:08:50 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 12:38:50] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 12:38:50] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 12:38:50] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 12:38:50] Password Response: 235 Authentication succeeded
[2026-10-12 12:38:50] SMTP Authentication Successful!
[2026-10-12 12:38:50] MAIL FROM Response: 250 OK
[2026-10-12 12:38:50] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 12:38:50] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 12:38:50] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-12 12:38:50] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-12 12:38:50] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 18:08:50 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 12:38:50] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 12:38:50] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 12:38:50] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 12:38:50] Password Response: 235 Authentication succeeded
[2026-10-12 12:38:50] SMTP Authentication Successful!
[2026-10-12 12:38:50] MAIL FROM Response: 250 OK
[2026-10-12 12:38:50] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 12:38:50] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 12:38:50] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-12 12:38:50] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-12 12:38:50] Attempting socket connection to 127.0.0.1:25...
[2026-10-12 12:38:50] Connected to 127.0.0.1:25 successfully.
[2026-10-12 12:38:50] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 18:08:50 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 12:38:50] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-12 12:38:50] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 12:38:50] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 12:38:50] Password Response: 235 Authentication succeeded
[2026-10-12 12:38:50] SMTP Authentication Successful!
[2026-10-12 12:38:50] MAIL FROM Response: 250 OK
[2026-10-12 12:38:50] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 12:38:50] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 12:38:50] Attempting socket connection to localhost:25...
[2026-10-12 12:38:50] Connected to localhost:25 successfully.
[2026-10-12 12:38:50] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 18:08:50 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 12:38:50] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-12 12:38:50] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 12:38:50] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 12:38:50] Password Response: 235 Authentication succeeded
[2026-10-12 12:38:50] SMTP Authentication Successful!
[2026-10-12 12:38:50] MAIL FROM Response: 250 OK
[2026-10-12 12:38:50] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 12:38:50] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 12:38:50] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-12 12:38:50] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-12 14:07:15] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-12 14:07:15] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-12 14:07:15] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-12 14:07:15] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 19:37:15 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 14:07:15] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 14:07:15] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 14:07:15] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 14:07:16] Password Response: 235 Authentication succeeded
[2026-10-12 14:07:16] SMTP Authentication Successful!
[2026-10-12 14:07:16] MAIL FROM Response: 250 OK
[2026-10-12 14:07:16] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 14:07:16] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 14:07:16] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-12 14:07:16] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-12 14:07:16] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 19:37:16 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 14:07:16] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 14:07:16] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 14:07:16] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 14:07:16] Password Response: 235 Authentication succeeded
[2026-10-12 14:07:16] SMTP Authentication Successful!
[2026-10-12 14:07:16] MAIL FROM Response: 250 OK
[2026-10-12 14:07:16] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 14:07:16] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 14:07:16] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-12 14:07:16] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-12 14:07:16] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 19:37:16 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 14:07:16] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 14:07:16] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 14:07:16] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 14:07:16] Password Response: 235 Authentication succeeded
[2026-10-12 14:07:16] SMTP Authentication Successful!
[2026-10-12 14:07:16] MAIL FROM Response: 250 OK
[2026-10-12 14:07:16] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 14:07:16] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 14:07:16] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-12 14:07:16] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-12 14:07:16] Attempting socket connection to 127.0.0.1:25...
[2026-10-12 14:07:16] Connected to 127.0.0.1:25 successfully.
[2026-10-12 14:07:16] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 19:37:16 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 14:07:16] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-12 14:07:16] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 14:07:16] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 14:07:16] Password Response: 235 Authentication succeeded
[2026-10-12 14:07:16] SMTP Authentication Successful!
[2026-10-12 14:07:16] MAIL FROM Response: 250 OK
[2026-10-12 14:07:16] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 14:07:16] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 14:07:16] Attempting socket connection to localhost:25...
[2026-10-12 14:07:16] Connected to localhost:25 successfully.
[2026-10-12 14:07:16] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 19:37:16 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 14:07:16] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-12 14:07:16] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 14:07:16] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 14:07:16] Password Response: 235 Authentication succeeded
[2026-10-12 14:07:16] SMTP Authentication Successful!
[2026-10-12 14:07:16] MAIL FROM Response: 250 OK
[2026-10-12 14:07:16] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 14:07:16] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 14:07:16] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-12 14:07:16] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-12 17:24:46] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-12 17:24:46] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-12 17:24:46] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-12 17:24:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 22:54:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 17:24:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 17:24:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 17:24:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 17:24:46] Password Response: 235 Authentication succeeded
[2026-10-12 17:24:46] SMTP Authentication Successful!
[2026-10-12 17:24:46] MAIL FROM Response: 250 OK
[2026-10-12 17:24:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 17:24:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 17:24:46] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-12 17:24:46] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-12 17:24:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 22:54:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 17:24:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 17:24:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 17:24:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 17:24:46] Password Response: 235 Authentication succeeded
[2026-10-12 17:24:46] SMTP Authentication Successful!
[2026-10-12 17:24:46] MAIL FROM Response: 250 OK
[2026-10-12 17:24:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 17:24:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 17:24:46] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-12 17:24:46] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-12 17:24:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 22:54:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 17:24:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 17:24:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 17:24:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 17:24:46] Password Response: 235 Authentication succeeded
[2026-10-12 17:24:46] SMTP Authentication Successful!
[2026-10-12 17:24:46] MAIL FROM Response: 250 OK
[2026-10-12 17:24:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 17:24:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 17:24:46] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-12 17:24:46] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-12 17:24:46] Attempting socket connection to 127.0.0.1:25...
[2026-10-12 17:24:46] Connected to 127.0.0.1:25 successfully.
[2026-10-12 17:24:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 22:54:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 17:24:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-12 17:24:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 17:24:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 17:24:46] Password Response: 235 Authentication succeeded
[2026-10-12 17:24:46] SMTP Authentication Successful!
[2026-10-12 17:24:46] MAIL FROM Response: 250 OK
[2026-10-12 17:24:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 17:24:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 17:24:46] Attempting socket connection to localhost:25...
[2026-10-12 17:24:46] Connected to localhost:25 successfully.
[2026-10-12 17:24:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 12 Oct 2026 22:54:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 17:24:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-12 17:24:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 17:24:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 17:24:46] Password Response: 235 Authentication succeeded
[2026-10-12 17:24:46] SMTP Authentication Successful!
[2026-10-12 17:24:46] MAIL FROM Response: 250 OK
[2026-10-12 17:24:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 17:24:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 17:24:46] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-12 17:24:47] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-12 19:21:44] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-12 19:21:44] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-12 19:21:44] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-12 19:21:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 00:51:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 19:21:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 19:21:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 19:21:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 19:21:44] Password Response: 235 Authentication succeeded
[2026-10-12 19:21:44] SMTP Authentication Successful!
[2026-10-12 19:21:44] MAIL FROM Response: 250 OK
[2026-10-12 19:21:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:21:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:21:44] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-12 19:21:44] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-12 19:21:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 00:51:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 19:21:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 19:21:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 19:21:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 19:21:44] Password Response: 235 Authentication succeeded
[2026-10-12 19:21:44] SMTP Authentication Successful!
[2026-10-12 19:21:44] MAIL FROM Response: 250 OK
[2026-10-12 19:21:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:21:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:21:44] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-12 19:21:44] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-12 19:21:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 00:51:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 19:21:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 19:21:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 19:21:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 19:21:44] Password Response: 235 Authentication succeeded
[2026-10-12 19:21:44] SMTP Authentication Successful!
[2026-10-12 19:21:44] MAIL FROM Response: 250 OK
[2026-10-12 19:21:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:21:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:21:44] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-12 19:21:44] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-12 19:21:44] Attempting socket connection to 127.0.0.1:25...
[2026-10-12 19:21:44] Connected to 127.0.0.1:25 successfully.
[2026-10-12 19:21:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 00:51:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 19:21:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-12 19:21:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 19:21:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 19:21:44] Password Response: 235 Authentication succeeded
[2026-10-12 19:21:44] SMTP Authentication Successful!
[2026-10-12 19:21:44] MAIL FROM Response: 250 OK
[2026-10-12 19:21:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:21:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:21:44] Attempting socket connection to localhost:25...
[2026-10-12 19:21:44] Connected to localhost:25 successfully.
[2026-10-12 19:21:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 00:51:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 19:21:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-12 19:21:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 19:21:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 19:21:44] Password Response: 235 Authentication succeeded
[2026-10-12 19:21:44] SMTP Authentication Successful!
[2026-10-12 19:21:44] MAIL FROM Response: 250 OK
[2026-10-12 19:21:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:21:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:21:44] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-12 19:21:45] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-12 19:41:20] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-12 19:41:20] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-12 19:41:20] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-12 19:41:20] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 01:11:20 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 19:41:20] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 19:41:20] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 19:41:20] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 19:41:20] Password Response: 235 Authentication succeeded
[2026-10-12 19:41:20] SMTP Authentication Successful!
[2026-10-12 19:41:20] MAIL FROM Response: 250 OK
[2026-10-12 19:41:20] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:41:20] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:41:20] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-12 19:41:20] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-12 19:41:20] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 01:11:20 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 19:41:20] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 19:41:20] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 19:41:20] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 19:41:20] Password Response: 235 Authentication succeeded
[2026-10-12 19:41:20] SMTP Authentication Successful!
[2026-10-12 19:41:20] MAIL FROM Response: 250 OK
[2026-10-12 19:41:20] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:41:20] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:41:20] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-12 19:41:20] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-12 19:41:20] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 01:11:20 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 19:41:20] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-12 19:41:20] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 19:41:20] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 19:41:20] Password Response: 235 Authentication succeeded
[2026-10-12 19:41:20] SMTP Authentication Successful!
[2026-10-12 19:41:20] MAIL FROM Response: 250 OK
[2026-10-12 19:41:20] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:41:20] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:41:20] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-12 19:41:20] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-12 19:41:20] Attempting socket connection to 127.0.0.1:25...
[2026-10-12 19:41:20] Connected to 127.0.0.1:25 successfully.
[2026-10-12 19:41:20] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 01:11:20 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 19:41:20] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-12 19:41:20] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 19:41:20] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 19:41:20] Password Response: 235 Authentication succeeded
[2026-10-12 19:41:20] SMTP Authentication Successful!
[2026-10-12 19:41:20] MAIL FROM Response: 250 OK
[2026-10-12 19:41:20] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:41:20] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:41:20] Attempting socket connection to localhost:25...
[2026-10-12 19:41:20] Connected to localhost:25 successfully.
[2026-10-12 19:41:20] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 01:11:20 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-12 19:41:20] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-12 19:41:20] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-12 19:41:20] Username Response: 334 UGFzc3dvcmQ6
[2026-10-12 19:41:20] Password Response: 235 Authentication succeeded
[2026-10-12 19:41:20] SMTP Authentication Successful!
[2026-10-12 19:41:20] MAIL FROM Response: 250 OK
[2026-10-12 19:41:20] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:41:20] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-12 19:41:20] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-12 19:41:21] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-13 00:23:46] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-13 00:23:46] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-13 00:23:46] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-13 00:23:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 05:53:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 00:23:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-13 00:23:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 00:23:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 00:23:46] Password Response: 235 Authentication succeeded
[2026-10-13 00:23:46] SMTP Authentication Successful!
[2026-10-13 00:23:46] MAIL FROM Response: 250 OK
[2026-10-13 00:23:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 00:23:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 00:23:46] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-13 00:23:46] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-13 00:23:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 05:53:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 00:23:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-13 00:23:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 00:23:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 00:23:46] Password Response: 235 Authentication succeeded
[2026-10-13 00:23:46] SMTP Authentication Successful!
[2026-10-13 00:23:46] MAIL FROM Response: 250 OK
[2026-10-13 00:23:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 00:23:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 00:23:47] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-13 00:23:47] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-13 00:23:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 05:53:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 00:23:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-13 00:23:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 00:23:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 00:23:47] Password Response: 235 Authentication succeeded
[2026-10-13 00:23:47] SMTP Authentication Successful!
[2026-10-13 00:23:47] MAIL FROM Response: 250 OK
[2026-10-13 00:23:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 00:23:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 00:23:47] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-13 00:23:47] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-13 00:23:47] Attempting socket connection to 127.0.0.1:25...
[2026-10-13 00:23:47] Connected to 127.0.0.1:25 successfully.
[2026-10-13 00:23:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 05:53:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 00:23:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-13 00:23:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 00:23:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 00:23:47] Password Response: 235 Authentication succeeded
[2026-10-13 00:23:47] SMTP Authentication Successful!
[2026-10-13 00:23:47] MAIL FROM Response: 250 OK
[2026-10-13 00:23:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 00:23:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 00:23:47] Attempting socket connection to localhost:25...
[2026-10-13 00:23:47] Connected to localhost:25 successfully.
[2026-10-13 00:23:47] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 05:53:47 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 00:23:47] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-13 00:23:47] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 00:23:47] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 00:23:47] Password Response: 235 Authentication succeeded
[2026-10-13 00:23:47] SMTP Authentication Successful!
[2026-10-13 00:23:47] MAIL FROM Response: 250 OK
[2026-10-13 00:23:47] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 00:23:47] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 00:23:47] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-13 00:23:47] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-13 07:38:27] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-13 07:38:27] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-13 07:38:27] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-13 07:38:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 13:08:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 07:38:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-13 07:38:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 07:38:27] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 07:38:27] Password Response: 235 Authentication succeeded
[2026-10-13 07:38:27] SMTP Authentication Successful!
[2026-10-13 07:38:27] MAIL FROM Response: 250 OK
[2026-10-13 07:38:27] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 07:38:27] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 07:38:27] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-13 07:38:27] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-13 07:38:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 13:08:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 07:38:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-13 07:38:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 07:38:27] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 07:38:27] Password Response: 235 Authentication succeeded
[2026-10-13 07:38:27] SMTP Authentication Successful!
[2026-10-13 07:38:27] MAIL FROM Response: 250 OK
[2026-10-13 07:38:27] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 07:38:27] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 07:38:27] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-13 07:38:27] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-13 07:38:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 13:08:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 07:38:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-13 07:38:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 07:38:27] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 07:38:28] Password Response: 235 Authentication succeeded
[2026-10-13 07:38:28] SMTP Authentication Successful!
[2026-10-13 07:38:28] MAIL FROM Response: 250 OK
[2026-10-13 07:38:28] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 07:38:28] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 07:38:28] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-13 07:38:28] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-13 07:38:28] Attempting socket connection to 127.0.0.1:25...
[2026-10-13 07:38:28] Connected to 127.0.0.1:25 successfully.
[2026-10-13 07:38:28] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 13:08:28 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 07:38:28] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-13 07:38:28] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 07:38:28] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 07:38:28] Password Response: 235 Authentication succeeded
[2026-10-13 07:38:28] SMTP Authentication Successful!
[2026-10-13 07:38:28] MAIL FROM Response: 250 OK
[2026-10-13 07:38:28] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 07:38:28] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 07:38:28] Attempting socket connection to localhost:25...
[2026-10-13 07:38:28] Connected to localhost:25 successfully.
[2026-10-13 07:38:28] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 13 Oct 2026 13:08:28 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 07:38:28] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-13 07:38:28] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 07:38:28] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 07:38:28] Password Response: 235 Authentication succeeded
[2026-10-13 07:38:28] SMTP Authentication Successful!
[2026-10-13 07:38:28] MAIL FROM Response: 250 OK
[2026-10-13 07:38:28] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 07:38:28] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 07:38:28] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-13 07:38:28] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-13 18:42:44] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-13 18:42:44] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-13 18:42:44] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-13 18:42:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 00:12:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 18:42:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-13 18:42:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 18:42:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 18:42:44] Password Response: 235 Authentication succeeded
[2026-10-13 18:42:44] SMTP Authentication Successful!
[2026-10-13 18:42:44] MAIL FROM Response: 250 OK
[2026-10-13 18:42:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 18:42:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 18:42:44] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-13 18:42:44] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-13 18:42:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 00:12:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 18:42:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-13 18:42:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 18:42:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 18:42:44] Password Response: 235 Authentication succeeded
[2026-10-13 18:42:44] SMTP Authentication Successful!
[2026-10-13 18:42:44] MAIL FROM Response: 250 OK
[2026-10-13 18:42:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 18:42:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 18:42:44] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-13 18:42:44] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-13 18:42:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 00:12:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 18:42:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-13 18:42:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 18:42:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 18:42:44] Password Response: 235 Authentication succeeded
[2026-10-13 18:42:44] SMTP Authentication Successful!
[2026-10-13 18:42:44] MAIL FROM Response: 250 OK
[2026-10-13 18:42:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 18:42:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 18:42:44] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-13 18:42:44] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-13 18:42:44] Attempting socket connection to 127.0.0.1:25...
[2026-10-13 18:42:44] Connected to 127.0.0.1:25 successfully.
[2026-10-13 18:42:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 00:12:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 18:42:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-13 18:42:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 18:42:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 18:42:44] Password Response: 235 Authentication succeeded
[2026-10-13 18:42:44] SMTP Authentication Successful!
[2026-10-13 18:42:44] MAIL FROM Response: 250 OK
[2026-10-13 18:42:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 18:42:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 18:42:44] Attempting socket connection to localhost:25...
[2026-10-13 18:42:44] Connected to localhost:25 successfully.
[2026-10-13 18:42:44] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 00:12:44 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-13 18:42:44] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-13 18:42:44] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-13 18:42:44] Username Response: 334 UGFzc3dvcmQ6
[2026-10-13 18:42:44] Password Response: 235 Authentication succeeded
[2026-10-13 18:42:44] SMTP Authentication Successful!
[2026-10-13 18:42:44] MAIL FROM Response: 250 OK
[2026-10-13 18:42:44] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 18:42:44] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-13 18:42:44] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-13 18:42:44] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-14 05:37:16] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-14 05:37:16] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-14 05:37:16] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-14 05:37:16] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 11:07:16 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 05:37:16] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-14 05:37:16] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 05:37:16] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 05:37:16] Password Response: 235 Authentication succeeded
[2026-10-14 05:37:16] SMTP Authentication Successful!
[2026-10-14 05:37:16] MAIL FROM Response: 250 OK
[2026-10-14 05:37:16] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 05:37:16] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 05:37:16] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-14 05:37:16] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-14 05:37:16] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 11:07:16 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 05:37:16] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-14 05:37:16] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 05:37:16] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 05:37:16] Password Response: 235 Authentication succeeded
[2026-10-14 05:37:16] SMTP Authentication Successful!
[2026-10-14 05:37:16] MAIL FROM Response: 250 OK
[2026-10-14 05:37:16] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 05:37:16] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 05:37:16] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-14 05:37:16] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-14 05:37:16] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 11:07:16 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 05:37:16] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-14 05:37:16] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 05:37:16] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 05:37:16] Password Response: 235 Authentication succeeded
[2026-10-14 05:37:16] SMTP Authentication Successful!
[2026-10-14 05:37:16] MAIL FROM Response: 250 OK
[2026-10-14 05:37:16] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 05:37:16] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 05:37:16] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-14 05:37:16] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-14 05:37:16] Attempting socket connection to 127.0.0.1:25...
[2026-10-14 05:37:16] Connected to 127.0.0.1:25 successfully.
[2026-10-14 05:37:16] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 11:07:16 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 05:37:17] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-14 05:37:17] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 05:37:17] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 05:37:17] Password Response: 235 Authentication succeeded
[2026-10-14 05:37:17] SMTP Authentication Successful!
[2026-10-14 05:37:17] MAIL FROM Response: 250 OK
[2026-10-14 05:37:17] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 05:37:17] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 05:37:17] Attempting socket connection to localhost:25...
[2026-10-14 05:37:17] Connected to localhost:25 successfully.
[2026-10-14 05:37:17] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 11:07:17 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 05:37:17] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-14 05:37:17] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 05:37:17] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 05:37:17] Password Response: 235 Authentication succeeded
[2026-10-14 05:37:17] SMTP Authentication Successful!
[2026-10-14 05:37:17] MAIL FROM Response: 250 OK
[2026-10-14 05:37:17] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 05:37:17] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 05:37:17] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-14 05:37:17] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-14 08:02:32] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-14 08:02:32] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-14 08:02:32] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-14 08:02:32] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 13:32:32 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 08:02:32] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-14 08:02:32] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 08:02:32] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 08:02:32] Password Response: 235 Authentication succeeded
[2026-10-14 08:02:32] SMTP Authentication Successful!
[2026-10-14 08:02:32] MAIL FROM Response: 250 OK
[2026-10-14 08:02:32] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:32] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:32] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-14 08:02:32] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-14 08:02:32] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 13:32:32 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 08:02:32] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-14 08:02:32] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 08:02:32] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 08:02:32] Password Response: 235 Authentication succeeded
[2026-10-14 08:02:32] SMTP Authentication Successful!
[2026-10-14 08:02:32] MAIL FROM Response: 250 OK
[2026-10-14 08:02:32] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:32] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:32] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-14 08:02:32] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-14 08:02:32] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 13:32:32 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 08:02:32] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-14 08:02:32] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 08:02:32] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 08:02:32] Password Response: 235 Authentication succeeded
[2026-10-14 08:02:32] SMTP Authentication Successful!
[2026-10-14 08:02:32] MAIL FROM Response: 250 OK
[2026-10-14 08:02:32] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:32] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:32] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-14 08:02:32] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-14 08:02:32] Attempting socket connection to 127.0.0.1:25...
[2026-10-14 08:02:32] Connected to 127.0.0.1:25 successfully.
[2026-10-14 08:02:32] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 13:32:32 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 08:02:33] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-14 08:02:33] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 08:02:33] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 08:02:33] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-14 08:02:33] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-14 08:02:33] Password Response: 235 Authentication succeeded
[2026-10-14 08:02:33] SMTP Authentication Successful!
[2026-10-14 08:02:33] MAIL FROM Response: 250 OK
[2026-10-14 08:02:33] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-14 08:02:33] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 13:32:33 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 08:02:33] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:33] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:33] Attempting socket connection to localhost:25...
[2026-10-14 08:02:33] Connected to localhost:25 successfully.
[2026-10-14 08:02:33] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 13:32:33 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 08:02:33] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-14 08:02:33] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 08:02:33] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 08:02:33] Password Response: 235 Authentication succeeded
[2026-10-14 08:02:33] SMTP Authentication Successful!
[2026-10-14 08:02:33] MAIL FROM Response: 250 OK
[2026-10-14 08:02:33] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:33] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:33] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-14 08:02:33] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-14 08:02:33] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 08:02:33] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 08:02:33] Password Response: 235 Authentication succeeded
[2026-10-14 08:02:33] SMTP Authentication Successful!
[2026-10-14 08:02:33] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-14 08:02:33] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 13:32:33 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 08:02:33] MAIL FROM Response: 250 OK
[2026-10-14 08:02:33] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:33] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:33] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-14 08:02:33] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-14 08:02:33] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 08:02:33] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 08:02:33] Password Response: 235 Authentication succeeded
[2026-10-14 08:02:33] SMTP Authentication Successful!
[2026-10-14 08:02:33] MAIL FROM Response: 250 OK
[2026-10-14 08:02:33] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:33] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:33] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-14 08:02:33] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-14 08:02:33] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 13:32:33 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 08:02:33] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-14 08:02:33] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 08:02:33] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 08:02:33] Password Response: 235 Authentication succeeded
[2026-10-14 08:02:33] SMTP Authentication Successful!
[2026-10-14 08:02:33] MAIL FROM Response: 250 OK
[2026-10-14 08:02:33] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:33] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:33] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-14 08:02:33] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-14 08:02:33] Attempting socket connection to 127.0.0.1:25...
[2026-10-14 08:02:33] Connected to 127.0.0.1:25 successfully.
[2026-10-14 08:02:33] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 13:32:33 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 08:02:33] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-14 08:02:33] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 08:02:33] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 08:02:33] Password Response: 235 Authentication succeeded
[2026-10-14 08:02:33] SMTP Authentication Successful!
[2026-10-14 08:02:33] MAIL FROM Response: 250 OK
[2026-10-14 08:02:33] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:33] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:33] Attempting socket connection to localhost:25...
[2026-10-14 08:02:33] Connected to localhost:25 successfully.
[2026-10-14 08:02:33] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 14 Oct 2026 13:32:33 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-14 08:02:33] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-14 08:02:33] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-14 08:02:33] Username Response: 334 UGFzc3dvcmQ6
[2026-10-14 08:02:33] Password Response: 235 Authentication succeeded
[2026-10-14 08:02:33] SMTP Authentication Successful!
[2026-10-14 08:02:33] MAIL FROM Response: 250 OK
[2026-10-14 08:02:33] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:33] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-14 08:02:33] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-14 08:02:33] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-14 08:02:33] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-15 21:24:49] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-15 21:24:49] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-15 21:24:49] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-15 21:24:49] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 02:54:49 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-15 21:24:49] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-15 21:24:49] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-15 21:24:49] Username Response: 334 UGFzc3dvcmQ6
[2026-10-15 21:24:49] Password Response: 235 Authentication succeeded
[2026-10-15 21:24:49] SMTP Authentication Successful!
[2026-10-15 21:24:49] MAIL FROM Response: 250 OK
[2026-10-15 21:24:49] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-15 21:24:49] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-15 21:24:49] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-15 21:24:49] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-15 21:24:49] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 02:54:49 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-15 21:24:49] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-15 21:24:49] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-15 21:24:49] Username Response: 334 UGFzc3dvcmQ6
[2026-10-15 21:24:49] Password Response: 235 Authentication succeeded
[2026-10-15 21:24:49] SMTP Authentication Successful!
[2026-10-15 21:24:49] MAIL FROM Response: 250 OK
[2026-10-15 21:24:49] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-15 21:24:49] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-15 21:24:49] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-15 21:24:49] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-15 21:24:49] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 02:54:49 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-15 21:24:49] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-15 21:24:49] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-15 21:24:49] Username Response: 334 UGFzc3dvcmQ6
[2026-10-15 21:24:49] Password Response: 235 Authentication succeeded
[2026-10-15 21:24:49] SMTP Authentication Successful!
[2026-10-15 21:24:49] MAIL FROM Response: 250 OK
[2026-10-15 21:24:49] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-15 21:24:49] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-15 21:24:49] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-15 21:24:49] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-15 21:24:49] Attempting socket connection to 127.0.0.1:25...
[2026-10-15 21:24:49] Connected to 127.0.0.1:25 successfully.
[2026-10-15 21:24:49] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 02:54:49 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-15 21:24:49] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-15 21:24:49] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-15 21:24:49] Username Response: 334 UGFzc3dvcmQ6
[2026-10-15 21:24:49] Password Response: 235 Authentication succeeded
[2026-10-15 21:24:49] SMTP Authentication Successful!
[2026-10-15 21:24:49] MAIL FROM Response: 250 OK
[2026-10-15 21:24:49] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-15 21:24:49] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-15 21:24:49] Attempting socket connection to localhost:25...
[2026-10-15 21:24:49] Connected to localhost:25 successfully.
[2026-10-15 21:24:49] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 02:54:49 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-15 21:24:49] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-15 21:24:49] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-15 21:24:49] Username Response: 334 UGFzc3dvcmQ6
[2026-10-15 21:24:49] Password Response: 235 Authentication succeeded
[2026-10-15 21:24:49] SMTP Authentication Successful!
[2026-10-15 21:24:49] MAIL FROM Response: 250 OK
[2026-10-15 21:24:49] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-15 21:24:49] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-15 21:24:49] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-15 21:24:50] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-16 07:00:21] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-16 07:00:21] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-16 07:00:21] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-16 07:00:21] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 12:30:21 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:00:21] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-16 07:00:21] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:00:21] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:00:21] Password Response: 235 Authentication succeeded
[2026-10-16 07:00:21] SMTP Authentication Successful!
[2026-10-16 07:00:21] MAIL FROM Response: 250 OK
[2026-10-16 07:00:21] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:21] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:21] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-16 07:00:21] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-16 07:00:21] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 12:30:21 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:00:21] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-16 07:00:21] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:00:21] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:00:21] Password Response: 235 Authentication succeeded
[2026-10-16 07:00:21] SMTP Authentication Successful!
[2026-10-16 07:00:21] MAIL FROM Response: 250 OK
[2026-10-16 07:00:21] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:21] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:21] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-16 07:00:21] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-16 07:00:21] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 12:30:21 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:00:22] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-16 07:00:22] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:00:22] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:00:22] Password Response: 235 Authentication succeeded
[2026-10-16 07:00:22] SMTP Authentication Successful!
[2026-10-16 07:00:22] MAIL FROM Response: 250 OK
[2026-10-16 07:00:22] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:22] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:22] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-16 07:00:22] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-16 07:00:22] Attempting socket connection to 127.0.0.1:25...
[2026-10-16 07:00:22] Connected to 127.0.0.1:25 successfully.
[2026-10-16 07:00:22] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 12:30:22 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:00:22] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-16 07:00:22] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:00:22] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:00:22] Password Response: 235 Authentication succeeded
[2026-10-16 07:00:22] SMTP Authentication Successful!
[2026-10-16 07:00:22] MAIL FROM Response: 250 OK
[2026-10-16 07:00:22] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:22] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:22] Attempting socket connection to localhost:25...
[2026-10-16 07:00:22] Connected to localhost:25 successfully.
[2026-10-16 07:00:22] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 12:30:22 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:00:23] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-16 07:00:23] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:00:23] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:00:23] Password Response: 235 Authentication succeeded
[2026-10-16 07:00:23] SMTP Authentication Successful!
[2026-10-16 07:00:23] MAIL FROM Response: 250 OK
[2026-10-16 07:00:23] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:23] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:23] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-16 07:00:23] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-16 07:00:24] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-16 07:00:24] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-16 07:00:24] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-16 07:00:24] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 12:30:24 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:00:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-16 07:00:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:00:26] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:00:26] Password Response: 235 Authentication succeeded
[2026-10-16 07:00:26] SMTP Authentication Successful!
[2026-10-16 07:00:26] MAIL FROM Response: 250 OK
[2026-10-16 07:00:31] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:31] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:31] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-16 07:00:31] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-16 07:00:31] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 12:30:31 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:00:31] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-16 07:00:31] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:00:31] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:00:31] Password Response: 235 Authentication succeeded
[2026-10-16 07:00:31] SMTP Authentication Successful!
[2026-10-16 07:00:31] MAIL FROM Response: 250 OK
[2026-10-16 07:00:31] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:31] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:31] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-16 07:00:31] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-16 07:00:31] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 12:30:31 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:00:31] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-16 07:00:31] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:00:31] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:00:31] Password Response: 235 Authentication succeeded
[2026-10-16 07:00:31] SMTP Authentication Successful!
[2026-10-16 07:00:31] MAIL FROM Response: 250 OK
[2026-10-16 07:00:31] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:31] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:31] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-16 07:00:31] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-16 07:00:31] Attempting socket connection to 127.0.0.1:25...
[2026-10-16 07:00:31] Connected to 127.0.0.1:25 successfully.
[2026-10-16 07:00:31] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 12:30:31 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:00:31] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-16 07:00:31] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:00:31] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:00:31] Password Response: 235 Authentication succeeded
[2026-10-16 07:00:31] SMTP Authentication Successful!
[2026-10-16 07:00:31] MAIL FROM Response: 250 OK
[2026-10-16 07:00:31] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:31] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:31] Attempting socket connection to localhost:25...
[2026-10-16 07:00:31] Connected to localhost:25 successfully.
[2026-10-16 07:00:31] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 12:30:31 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:00:31] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-16 07:00:31] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:00:31] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:00:31] Password Response: 235 Authentication succeeded
[2026-10-16 07:00:31] SMTP Authentication Successful!
[2026-10-16 07:00:31] MAIL FROM Response: 250 OK
[2026-10-16 07:00:31] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:31] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:00:31] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-16 07:00:31] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-16 07:47:31] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-16 07:47:31] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-16 07:47:31] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-16 07:47:31] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 13:17:31 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:47:31] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-16 07:47:31] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:47:31] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:47:31] Password Response: 235 Authentication succeeded
[2026-10-16 07:47:31] SMTP Authentication Successful!
[2026-10-16 07:47:31] MAIL FROM Response: 250 OK
[2026-10-16 07:47:31] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:47:31] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:47:31] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-16 07:47:31] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-16 07:47:31] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 13:17:31 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:47:31] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-16 07:47:31] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:47:31] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:47:31] Password Response: 235 Authentication succeeded
[2026-10-16 07:47:31] SMTP Authentication Successful!
[2026-10-16 07:47:31] MAIL FROM Response: 250 OK
[2026-10-16 07:47:31] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:47:31] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:47:31] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-16 07:47:31] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-16 07:47:31] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 13:17:31 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:47:31] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-16 07:47:31] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:47:31] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:47:31] Password Response: 235 Authentication succeeded
[2026-10-16 07:47:31] SMTP Authentication Successful!
[2026-10-16 07:47:31] MAIL FROM Response: 250 OK
[2026-10-16 07:47:31] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:47:31] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:47:31] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-16 07:47:31] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-16 07:47:31] Attempting socket connection to 127.0.0.1:25...
[2026-10-16 07:47:31] Connected to 127.0.0.1:25 successfully.
[2026-10-16 07:47:31] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 13:17:31 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:47:31] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-16 07:47:31] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:47:31] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:47:31] Password Response: 235 Authentication succeeded
[2026-10-16 07:47:31] SMTP Authentication Successful!
[2026-10-16 07:47:31] MAIL FROM Response: 250 OK
[2026-10-16 07:47:31] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:47:31] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:47:31] Attempting socket connection to localhost:25...
[2026-10-16 07:47:31] Connected to localhost:25 successfully.
[2026-10-16 07:47:31] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 16 Oct 2026 13:17:31 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-16 07:47:31] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-16 07:47:31] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-16 07:47:31] Username Response: 334 UGFzc3dvcmQ6
[2026-10-16 07:47:31] Password Response: 235 Authentication succeeded
[2026-10-16 07:47:31] SMTP Authentication Successful!
[2026-10-16 07:47:31] MAIL FROM Response: 250 OK
[2026-10-16 07:47:31] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:47:31] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-16 07:47:31] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-16 07:47:31] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-17 06:17:56] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-17 06:17:56] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-17 06:17:56] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-17 06:17:56] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 11:47:56 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 06:17:56] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 06:17:56] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 06:17:56] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 06:17:56] Password Response: 235 Authentication succeeded
[2026-10-17 06:17:56] SMTP Authentication Successful!
[2026-10-17 06:17:56] MAIL FROM Response: 250 OK
[2026-10-17 06:17:57] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 06:17:57] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 06:17:57] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-17 06:17:57] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-17 06:17:57] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 11:47:57 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 06:17:57] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 06:17:57] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 06:17:57] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 06:17:57] Password Response: 235 Authentication succeeded
[2026-10-17 06:17:57] SMTP Authentication Successful!
[2026-10-17 06:17:57] MAIL FROM Response: 250 OK
[2026-10-17 06:17:57] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 06:17:57] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 06:17:57] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-17 06:17:57] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-17 06:17:57] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 11:47:57 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 06:17:57] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 06:17:57] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 06:17:57] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 06:17:57] Password Response: 235 Authentication succeeded
[2026-10-17 06:17:57] SMTP Authentication Successful!
[2026-10-17 06:17:57] MAIL FROM Response: 250 OK
[2026-10-17 06:17:57] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 06:17:57] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 06:17:57] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-17 06:17:57] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-17 06:17:57] Attempting socket connection to 127.0.0.1:25...
[2026-10-17 06:17:57] Connected to 127.0.0.1:25 successfully.
[2026-10-17 06:17:57] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 11:47:57 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 06:17:57] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-17 06:17:57] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 06:17:57] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 06:17:57] Password Response: 235 Authentication succeeded
[2026-10-17 06:17:57] SMTP Authentication Successful!
[2026-10-17 06:17:57] MAIL FROM Response: 250 OK
[2026-10-17 06:17:57] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 06:17:57] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 06:17:57] Attempting socket connection to localhost:25...
[2026-10-17 06:17:57] Connected to localhost:25 successfully.
[2026-10-17 06:17:57] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 11:47:57 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 06:17:57] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-17 06:17:57] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 06:17:57] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 06:17:57] Password Response: 235 Authentication succeeded
[2026-10-17 06:17:57] SMTP Authentication Successful!
[2026-10-17 06:17:57] MAIL FROM Response: 250 OK
[2026-10-17 06:17:57] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 06:17:57] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 06:17:57] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-17 06:17:57] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-17 12:23:04] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-17 12:23:04] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-17 12:23:04] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-17 12:23:04] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 17:53:04 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 12:23:05] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 12:23:05] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 12:23:05] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 12:23:05] Password Response: 235 Authentication succeeded
[2026-10-17 12:23:05] SMTP Authentication Successful!
[2026-10-17 12:23:05] MAIL FROM Response: 250 OK
[2026-10-17 12:23:05] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:05] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:05] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-17 12:23:05] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-17 12:23:05] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 17:53:05 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 12:23:05] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 12:23:05] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 12:23:05] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 12:23:05] Password Response: 235 Authentication succeeded
[2026-10-17 12:23:05] SMTP Authentication Successful!
[2026-10-17 12:23:05] MAIL FROM Response: 250 OK
[2026-10-17 12:23:05] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:05] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:05] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-17 12:23:05] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-17 12:23:05] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 17:53:05 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 12:23:05] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 12:23:05] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 12:23:05] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 12:23:05] Password Response: 235 Authentication succeeded
[2026-10-17 12:23:05] SMTP Authentication Successful!
[2026-10-17 12:23:05] MAIL FROM Response: 250 OK
[2026-10-17 12:23:05] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:05] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:05] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-17 12:23:05] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-17 12:23:05] Attempting socket connection to 127.0.0.1:25...
[2026-10-17 12:23:05] Connected to 127.0.0.1:25 successfully.
[2026-10-17 12:23:05] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 17:53:05 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 12:23:05] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-17 12:23:05] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 12:23:05] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 12:23:05] Password Response: 235 Authentication succeeded
[2026-10-17 12:23:05] SMTP Authentication Successful!
[2026-10-17 12:23:05] MAIL FROM Response: 250 OK
[2026-10-17 12:23:05] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:05] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:05] Attempting socket connection to localhost:25...
[2026-10-17 12:23:05] Connected to localhost:25 successfully.
[2026-10-17 12:23:05] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 17:53:05 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 12:23:05] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-17 12:23:05] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 12:23:05] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 12:23:05] Password Response: 235 Authentication succeeded
[2026-10-17 12:23:05] SMTP Authentication Successful!
[2026-10-17 12:23:05] MAIL FROM Response: 250 OK
[2026-10-17 12:23:05] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:05] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:05] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-17 12:23:05] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-17 12:23:07] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-17 12:23:07] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-17 12:23:07] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-17 12:23:07] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 17:53:07 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 12:23:07] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 12:23:07] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 12:23:07] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 12:23:07] Password Response: 235 Authentication succeeded
[2026-10-17 12:23:07] SMTP Authentication Successful!
[2026-10-17 12:23:07] MAIL FROM Response: 250 OK
[2026-10-17 12:23:07] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:07] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:07] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-17 12:23:07] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-17 12:23:07] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 17:53:07 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 12:23:07] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 12:23:07] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 12:23:07] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 12:23:07] Password Response: 235 Authentication succeeded
[2026-10-17 12:23:07] SMTP Authentication Successful!
[2026-10-17 12:23:07] MAIL FROM Response: 250 OK
[2026-10-17 12:23:07] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:07] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:07] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-17 12:23:07] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-17 12:23:07] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 17:53:07 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 12:23:07] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 12:23:07] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 12:23:07] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 12:23:07] Password Response: 235 Authentication succeeded
[2026-10-17 12:23:07] SMTP Authentication Successful!
[2026-10-17 12:23:07] MAIL FROM Response: 250 OK
[2026-10-17 12:23:07] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:07] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:07] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-17 12:23:07] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-17 12:23:07] Attempting socket connection to 127.0.0.1:25...
[2026-10-17 12:23:07] Connected to 127.0.0.1:25 successfully.
[2026-10-17 12:23:07] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 17:53:07 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 12:23:07] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-17 12:23:07] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 12:23:07] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 12:23:07] Password Response: 235 Authentication succeeded
[2026-10-17 12:23:07] SMTP Authentication Successful!
[2026-10-17 12:23:07] MAIL FROM Response: 250 OK
[2026-10-17 12:23:08] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:08] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:08] Attempting socket connection to localhost:25...
[2026-10-17 12:23:08] Connected to localhost:25 successfully.
[2026-10-17 12:23:08] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 17:53:08 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 12:23:08] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-17 12:23:08] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 12:23:08] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 12:23:08] Password Response: 235 Authentication succeeded
[2026-10-17 12:23:08] SMTP Authentication Successful!
[2026-10-17 12:23:08] MAIL FROM Response: 250 OK
[2026-10-17 12:23:08] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:08] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 12:23:08] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-17 12:23:08] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-17 16:34:24] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-17 16:34:24] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-17 16:34:24] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-17 16:34:24] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 22:04:24 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 16:34:24] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 16:34:24] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 16:34:24] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 16:34:24] Password Response: 235 Authentication succeeded
[2026-10-17 16:34:24] SMTP Authentication Successful!
[2026-10-17 16:34:24] MAIL FROM Response: 250 OK
[2026-10-17 16:34:24] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:24] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:24] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-17 16:34:24] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-17 16:34:24] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 22:04:24 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 16:34:24] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 16:34:24] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 16:34:24] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 16:34:24] Password Response: 235 Authentication succeeded
[2026-10-17 16:34:24] SMTP Authentication Successful!
[2026-10-17 16:34:24] MAIL FROM Response: 250 OK
[2026-10-17 16:34:24] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:24] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:24] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-17 16:34:24] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-17 16:34:24] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 22:04:24 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 16:34:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 16:34:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 16:34:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 16:34:25] Password Response: 235 Authentication succeeded
[2026-10-17 16:34:25] SMTP Authentication Successful!
[2026-10-17 16:34:25] MAIL FROM Response: 250 OK
[2026-10-17 16:34:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:25] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-17 16:34:25] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-17 16:34:25] Attempting socket connection to 127.0.0.1:25...
[2026-10-17 16:34:25] Connected to 127.0.0.1:25 successfully.
[2026-10-17 16:34:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 22:04:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 16:34:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-17 16:34:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 16:34:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 16:34:25] Password Response: 235 Authentication succeeded
[2026-10-17 16:34:25] SMTP Authentication Successful!
[2026-10-17 16:34:25] MAIL FROM Response: 250 OK
[2026-10-17 16:34:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:25] Attempting socket connection to localhost:25...
[2026-10-17 16:34:25] Connected to localhost:25 successfully.
[2026-10-17 16:34:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 22:04:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 16:34:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-17 16:34:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 16:34:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 16:34:25] Password Response: 235 Authentication succeeded
[2026-10-17 16:34:25] SMTP Authentication Successful!
[2026-10-17 16:34:25] MAIL FROM Response: 250 OK
[2026-10-17 16:34:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:25] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-17 16:34:25] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-17 16:34:25] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-17 16:34:25] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-17 16:34:25] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-17 16:34:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 22:04:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 16:34:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 16:34:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 16:34:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 16:34:25] Password Response: 235 Authentication succeeded
[2026-10-17 16:34:25] SMTP Authentication Successful!
[2026-10-17 16:34:25] MAIL FROM Response: 250 OK
[2026-10-17 16:34:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:25] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-17 16:34:25] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-17 16:34:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 22:04:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 16:34:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 16:34:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 16:34:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 16:34:25] Password Response: 235 Authentication succeeded
[2026-10-17 16:34:25] SMTP Authentication Successful!
[2026-10-17 16:34:25] MAIL FROM Response: 250 OK
[2026-10-17 16:34:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:25] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-17 16:34:25] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-17 16:34:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 22:04:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 16:34:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 16:34:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 16:34:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 16:34:25] Password Response: 235 Authentication succeeded
[2026-10-17 16:34:25] SMTP Authentication Successful!
[2026-10-17 16:34:25] MAIL FROM Response: 250 OK
[2026-10-17 16:34:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:25] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-17 16:34:25] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-17 16:34:25] Attempting socket connection to 127.0.0.1:25...
[2026-10-17 16:34:25] Connected to 127.0.0.1:25 successfully.
[2026-10-17 16:34:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 22:04:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 16:34:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-17 16:34:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 16:34:26] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 16:34:26] Password Response: 235 Authentication succeeded
[2026-10-17 16:34:26] SMTP Authentication Successful!
[2026-10-17 16:34:26] MAIL FROM Response: 250 OK
[2026-10-17 16:34:26] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:26] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:26] Attempting socket connection to localhost:25...
[2026-10-17 16:34:26] Connected to localhost:25 successfully.
[2026-10-17 16:34:26] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 17 Oct 2026 22:04:26 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 16:34:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-17 16:34:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 16:34:26] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 16:34:26] Password Response: 235 Authentication succeeded
[2026-10-17 16:34:26] SMTP Authentication Successful!
[2026-10-17 16:34:26] MAIL FROM Response: 250 OK
[2026-10-17 16:34:26] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:26] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 16:34:26] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-17 16:34:26] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-17 22:19:03] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-17 22:19:03] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-17 22:19:03] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-17 22:19:03] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 18 Oct 2026 03:49:03 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 22:19:03] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 22:19:03] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 22:19:03] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 22:19:03] Password Response: 235 Authentication succeeded
[2026-10-17 22:19:03] SMTP Authentication Successful!
[2026-10-17 22:19:03] MAIL FROM Response: 250 OK
[2026-10-17 22:19:03] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 22:19:03] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 22:19:03] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-17 22:19:03] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-17 22:19:03] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 18 Oct 2026 03:49:03 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 22:19:03] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 22:19:03] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 22:19:03] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 22:19:03] Password Response: 235 Authentication succeeded
[2026-10-17 22:19:03] SMTP Authentication Successful!
[2026-10-17 22:19:03] MAIL FROM Response: 250 OK
[2026-10-17 22:19:03] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 22:19:03] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 22:19:03] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-17 22:19:03] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-17 22:19:03] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 18 Oct 2026 03:49:03 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 22:19:03] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-17 22:19:03] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 22:19:03] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 22:19:03] Password Response: 235 Authentication succeeded
[2026-10-17 22:19:03] SMTP Authentication Successful!
[2026-10-17 22:19:03] MAIL FROM Response: 250 OK
[2026-10-17 22:19:03] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 22:19:03] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 22:19:03] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-17 22:19:03] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-17 22:19:03] Attempting socket connection to 127.0.0.1:25...
[2026-10-17 22:19:03] Connected to 127.0.0.1:25 successfully.
[2026-10-17 22:19:03] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 18 Oct 2026 03:49:03 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 22:19:03] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-17 22:19:03] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 22:19:03] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 22:19:03] Password Response: 235 Authentication succeeded
[2026-10-17 22:19:03] SMTP Authentication Successful!
[2026-10-17 22:19:03] MAIL FROM Response: 250 OK
[2026-10-17 22:19:03] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 22:19:03] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 22:19:03] Attempting socket connection to localhost:25...
[2026-10-17 22:19:03] Connected to localhost:25 successfully.
[2026-10-17 22:19:03] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 18 Oct 2026 03:49:03 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-17 22:19:03] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-17 22:19:03] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-17 22:19:03] Username Response: 334 UGFzc3dvcmQ6
[2026-10-17 22:19:03] Password Response: 235 Authentication succeeded
[2026-10-17 22:19:03] SMTP Authentication Successful!
[2026-10-17 22:19:03] MAIL FROM Response: 250 OK
[2026-10-17 22:19:03] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 22:19:03] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-17 22:19:03] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-17 22:19:04] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-18 07:43:02] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-18 07:43:02] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-18 07:43:02] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-18 07:43:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 18 Oct 2026 13:13:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-18 07:43:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-18 07:43:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-18 07:43:02] Username Response: 334 UGFzc3dvcmQ6
[2026-10-18 07:43:02] Password Response: 235 Authentication succeeded
[2026-10-18 07:43:02] SMTP Authentication Successful!
[2026-10-18 07:43:02] MAIL FROM Response: 250 OK
[2026-10-18 07:43:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-18 07:43:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-18 07:43:02] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-18 07:43:02] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-18 07:43:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 18 Oct 2026 13:13:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-18 07:43:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-18 07:43:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-18 07:43:02] Username Response: 334 UGFzc3dvcmQ6
[2026-10-18 07:43:02] Password Response: 235 Authentication succeeded
[2026-10-18 07:43:02] SMTP Authentication Successful!
[2026-10-18 07:43:02] MAIL FROM Response: 250 OK
[2026-10-18 07:43:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-18 07:43:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-18 07:43:02] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-18 07:43:02] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-18 07:43:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 18 Oct 2026 13:13:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-18 07:43:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-18 07:43:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-18 07:43:02] Username Response: 334 UGFzc3dvcmQ6
[2026-10-18 07:43:02] Password Response: 235 Authentication succeeded
[2026-10-18 07:43:02] SMTP Authentication Successful!
[2026-10-18 07:43:02] MAIL FROM Response: 250 OK
[2026-10-18 07:43:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-18 07:43:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-18 07:43:02] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-18 07:43:02] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-18 07:43:02] Attempting socket connection to 127.0.0.1:25...
[2026-10-18 07:43:02] Connected to 127.0.0.1:25 successfully.
[2026-10-18 07:43:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 18 Oct 2026 13:13:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-18 07:43:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-18 07:43:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-18 07:43:02] Username Response: 334 UGFzc3dvcmQ6
[2026-10-18 07:43:02] Password Response: 235 Authentication succeeded
[2026-10-18 07:43:02] SMTP Authentication Successful!
[2026-10-18 07:43:02] MAIL FROM Response: 250 OK
[2026-10-18 07:43:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-18 07:43:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-18 07:43:02] Attempting socket connection to localhost:25...
[2026-10-18 07:43:02] Connected to localhost:25 successfully.
[2026-10-18 07:43:02] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sun, 18 Oct 2026 13:13:02 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-18 07:43:02] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-18 07:43:02] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-18 07:43:02] Username Response: 334 UGFzc3dvcmQ6
[2026-10-18 07:43:02] Password Response: 235 Authentication succeeded
[2026-10-18 07:43:02] SMTP Authentication Successful!
[2026-10-18 07:43:02] MAIL FROM Response: 250 OK
[2026-10-18 07:43:02] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-18 07:43:02] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-18 07:43:02] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-18 07:43:02] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-19 03:13:27] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-19 03:13:27] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-19 03:13:27] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-19 03:13:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 19 Oct 2026 08:43:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-19 03:13:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-19 03:13:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-19 03:13:27] Username Response: 334 UGFzc3dvcmQ6
[2026-10-19 03:13:27] Password Response: 235 Authentication succeeded
[2026-10-19 03:13:27] SMTP Authentication Successful!
[2026-10-19 03:13:27] MAIL FROM Response: 250 OK
[2026-10-19 03:13:27] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 03:13:27] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 03:13:27] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-19 03:13:27] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-19 03:13:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 19 Oct 2026 08:43:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-19 03:13:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-19 03:13:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-19 03:13:27] Username Response: 334 UGFzc3dvcmQ6
[2026-10-19 03:13:27] Password Response: 235 Authentication succeeded
[2026-10-19 03:13:27] SMTP Authentication Successful!
[2026-10-19 03:13:27] MAIL FROM Response: 250 OK
[2026-10-19 03:13:28] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 03:13:28] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 03:13:28] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-19 03:13:28] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-19 03:13:28] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 19 Oct 2026 08:43:28 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-19 03:13:28] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-19 03:13:28] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-19 03:13:28] Username Response: 334 UGFzc3dvcmQ6
[2026-10-19 03:13:28] Password Response: 235 Authentication succeeded
[2026-10-19 03:13:28] SMTP Authentication Successful!
[2026-10-19 03:13:28] MAIL FROM Response: 250 OK
[2026-10-19 03:13:28] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 03:13:28] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 03:13:28] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-19 03:13:28] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-19 03:13:28] Attempting socket connection to 127.0.0.1:25...
[2026-10-19 03:13:28] Connected to 127.0.0.1:25 successfully.
[2026-10-19 03:13:28] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 19 Oct 2026 08:43:28 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-19 03:13:28] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-19 03:13:28] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-19 03:13:28] Username Response: 334 UGFzc3dvcmQ6
[2026-10-19 03:13:28] Password Response: 235 Authentication succeeded
[2026-10-19 03:13:28] SMTP Authentication Successful!
[2026-10-19 03:13:28] MAIL FROM Response: 250 OK
[2026-10-19 03:13:28] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 03:13:28] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 03:13:28] Attempting socket connection to localhost:25...
[2026-10-19 03:13:28] Connected to localhost:25 successfully.
[2026-10-19 03:13:28] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 19 Oct 2026 08:43:28 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-19 03:13:28] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-19 03:13:28] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-19 03:13:28] Username Response: 334 UGFzc3dvcmQ6
[2026-10-19 03:13:28] Password Response: 235 Authentication succeeded
[2026-10-19 03:13:28] SMTP Authentication Successful!
[2026-10-19 03:13:28] MAIL FROM Response: 250 OK
[2026-10-19 03:13:28] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 03:13:28] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 03:13:28] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-19 03:13:28] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-19 21:26:04] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-19 21:26:04] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-19 21:26:04] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-19 21:26:04] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 02:56:04 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-19 21:26:04] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-19 21:26:04] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-19 21:26:04] Username Response: 334 UGFzc3dvcmQ6
[2026-10-19 21:26:04] Password Response: 235 Authentication succeeded
[2026-10-19 21:26:04] SMTP Authentication Successful!
[2026-10-19 21:26:04] MAIL FROM Response: 250 OK
[2026-10-19 21:26:04] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 21:26:04] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 21:26:04] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-19 21:26:04] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-19 21:26:04] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 02:56:04 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-19 21:26:04] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-19 21:26:05] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-19 21:26:05] Username Response: 334 UGFzc3dvcmQ6
[2026-10-19 21:26:05] Password Response: 235 Authentication succeeded
[2026-10-19 21:26:05] SMTP Authentication Successful!
[2026-10-19 21:26:05] MAIL FROM Response: 250 OK
[2026-10-19 21:26:05] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 21:26:05] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 21:26:05] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-19 21:26:05] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-19 21:26:05] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 02:56:05 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-19 21:26:05] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-19 21:26:05] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-19 21:26:05] Username Response: 334 UGFzc3dvcmQ6
[2026-10-19 21:26:05] Password Response: 235 Authentication succeeded
[2026-10-19 21:26:05] SMTP Authentication Successful!
[2026-10-19 21:26:05] MAIL FROM Response: 250 OK
[2026-10-19 21:26:05] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 21:26:05] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 21:26:05] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-19 21:26:05] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-19 21:26:05] Attempting socket connection to 127.0.0.1:25...
[2026-10-19 21:26:05] Connected to 127.0.0.1:25 successfully.
[2026-10-19 21:26:05] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 02:56:05 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-19 21:26:05] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-19 21:26:05] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-19 21:26:05] Username Response: 334 UGFzc3dvcmQ6
[2026-10-19 21:26:05] Password Response: 235 Authentication succeeded
[2026-10-19 21:26:05] SMTP Authentication Successful!
[2026-10-19 21:26:05] MAIL FROM Response: 250 OK
[2026-10-19 21:26:05] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 21:26:05] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 21:26:05] Attempting socket connection to localhost:25...
[2026-10-19 21:26:05] Connected to localhost:25 successfully.
[2026-10-19 21:26:05] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 02:56:05 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-19 21:26:05] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-19 21:26:05] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-19 21:26:05] Username Response: 334 UGFzc3dvcmQ6
[2026-10-19 21:26:05] Password Response: 235 Authentication succeeded
[2026-10-19 21:26:05] SMTP Authentication Successful!
[2026-10-19 21:26:05] MAIL FROM Response: 250 OK
[2026-10-19 21:26:05] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 21:26:05] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-19 21:26:05] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-19 21:26:05] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-20 08:40:40] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-20 08:40:40] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-20 08:40:40] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-20 08:40:40] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-20 08:40:40] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-20 08:40:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:10:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 08:40:40] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-20 08:40:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:10:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 08:40:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-20 08:40:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 08:40:40] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 08:40:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-20 08:40:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 08:40:40] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 08:40:40] Password Response: 235 Authentication succeeded
[2026-10-20 08:40:40] SMTP Authentication Successful!
[2026-10-20 08:40:40] MAIL FROM Response: 250 OK
[2026-10-20 08:40:40] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-20 08:40:40] Password Response: 235 Authentication succeeded
[2026-10-20 08:40:40] SMTP Authentication Successful!
[2026-10-20 08:40:40] MAIL FROM Response: 250 OK
[2026-10-20 08:40:40] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-20 08:40:40] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-20 08:40:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:10:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 08:40:40] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-20 08:40:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:10:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 08:40:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-20 08:40:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 08:40:40] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 08:40:40] Password Response: 235 Authentication succeeded
[2026-10-20 08:40:40] SMTP Authentication Successful!
[2026-10-20 08:40:40] MAIL FROM Response: 250 OK
[2026-10-20 08:40:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-20 08:40:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 08:40:40] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 08:40:40] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-20 08:40:40] Password Response: 235 Authentication succeeded
[2026-10-20 08:40:40] SMTP Authentication Successful!
[2026-10-20 08:40:40] MAIL FROM Response: 250 OK
[2026-10-20 08:40:40] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-20 08:40:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:10:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 08:40:40] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-20 08:40:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-20 08:40:40] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-20 08:40:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:10:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 08:40:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 08:40:40] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 08:40:40] Password Response: 235 Authentication succeeded
[2026-10-20 08:40:40] SMTP Authentication Successful!
[2026-10-20 08:40:40] MAIL FROM Response: 250 OK
[2026-10-20 08:40:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-20 08:40:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 08:40:40] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 08:40:40] Password Response: 235 Authentication succeeded
[2026-10-20 08:40:40] SMTP Authentication Successful!
[2026-10-20 08:40:40] MAIL FROM Response: 250 OK
[2026-10-20 08:40:40] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-20 08:40:40] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-20 08:40:40] Attempting socket connection to 127.0.0.1:25...
[2026-10-20 08:40:40] Connected to 127.0.0.1:25 successfully.
[2026-10-20 08:40:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:10:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 08:40:40] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-20 08:40:40] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-20 08:40:40] Attempting socket connection to 127.0.0.1:25...
[2026-10-20 08:40:40] Connected to 127.0.0.1:25 successfully.
[2026-10-20 08:40:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:10:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 08:40:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-20 08:40:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 08:40:40] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 08:40:40] Password Response: 235 Authentication succeeded
[2026-10-20 08:40:40] SMTP Authentication Successful!
[2026-10-20 08:40:40] MAIL FROM Response: 250 OK
[2026-10-20 08:40:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-20 08:40:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 08:40:40] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 08:40:40] Password Response: 235 Authentication succeeded
[2026-10-20 08:40:40] SMTP Authentication Successful!
[2026-10-20 08:40:40] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] MAIL FROM Response: 250 OK
[2026-10-20 08:40:40] Attempting socket connection to localhost:25...
[2026-10-20 08:40:40] Connected to localhost:25 successfully.
[2026-10-20 08:40:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:10:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 08:40:40] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] Attempting socket connection to localhost:25...
[2026-10-20 08:40:40] Connected to localhost:25 successfully.
[2026-10-20 08:40:40] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:10:40 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 08:40:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-20 08:40:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 08:40:40] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 08:40:40] Password Response: 235 Authentication succeeded
[2026-10-20 08:40:40] SMTP Authentication Successful!
[2026-10-20 08:40:40] MAIL FROM Response: 250 OK
[2026-10-20 08:40:40] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-20 08:40:40] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 08:40:40] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 08:40:40] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-20 08:40:40] Password Response: 235 Authentication succeeded
[2026-10-20 08:40:40] SMTP Authentication Successful!
[2026-10-20 08:40:40] MAIL FROM Response: 250 OK
[2026-10-20 08:40:40] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 08:40:40] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-20 08:40:41] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-20 08:40:41] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-20 09:26:25] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-20 09:26:25] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-20 09:26:25] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-20 09:26:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:56:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 09:26:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-20 09:26:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 09:26:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 09:26:25] Password Response: 235 Authentication succeeded
[2026-10-20 09:26:25] SMTP Authentication Successful!
[2026-10-20 09:26:25] MAIL FROM Response: 250 OK
[2026-10-20 09:26:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-20 09:26:25] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-20 09:26:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:56:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 09:26:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-20 09:26:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 09:26:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 09:26:25] Password Response: 235 Authentication succeeded
[2026-10-20 09:26:25] SMTP Authentication Successful!
[2026-10-20 09:26:25] MAIL FROM Response: 250 OK
[2026-10-20 09:26:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-20 09:26:25] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-20 09:26:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:56:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 09:26:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-20 09:26:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 09:26:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 09:26:25] Password Response: 235 Authentication succeeded
[2026-10-20 09:26:25] SMTP Authentication Successful!
[2026-10-20 09:26:25] MAIL FROM Response: 250 OK
[2026-10-20 09:26:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-20 09:26:25] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-20 09:26:25] Attempting socket connection to 127.0.0.1:25...
[2026-10-20 09:26:25] Connected to 127.0.0.1:25 successfully.
[2026-10-20 09:26:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:56:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 09:26:25] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-20 09:26:25] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-20 09:26:25] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-20 09:26:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:56:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 09:26:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-20 09:26:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 09:26:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 09:26:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-20 09:26:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 09:26:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 09:26:25] Password Response: 235 Authentication succeeded
[2026-10-20 09:26:25] SMTP Authentication Successful!
[2026-10-20 09:26:25] MAIL FROM Response: 250 OK
[2026-10-20 09:26:25] Password Response: 235 Authentication succeeded
[2026-10-20 09:26:25] SMTP Authentication Successful!
[2026-10-20 09:26:25] MAIL FROM Response: 250 OK
[2026-10-20 09:26:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] Attempting socket connection to localhost:25...
[2026-10-20 09:26:25] Connected to localhost:25 successfully.
[2026-10-20 09:26:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:56:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 09:26:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-20 09:26:25] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-20 09:26:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:56:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 09:26:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-20 09:26:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 09:26:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 09:26:25] Password Response: 235 Authentication succeeded
[2026-10-20 09:26:25] SMTP Authentication Successful!
[2026-10-20 09:26:25] MAIL FROM Response: 250 OK
[2026-10-20 09:26:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-20 09:26:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 09:26:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 09:26:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-20 09:26:25] Password Response: 235 Authentication succeeded
[2026-10-20 09:26:25] SMTP Authentication Successful!
[2026-10-20 09:26:25] MAIL FROM Response: 250 OK
[2026-10-20 09:26:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-20 09:26:25] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-20 09:26:25] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:56:25 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 09:26:25] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-20 09:26:25] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 09:26:25] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 09:26:25] Password Response: 235 Authentication succeeded
[2026-10-20 09:26:25] SMTP Authentication Successful!
[2026-10-20 09:26:25] MAIL FROM Response: 250 OK
[2026-10-20 09:26:25] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:25] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-20 09:26:26] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-20 09:26:26] Attempting socket connection to 127.0.0.1:25...
[2026-10-20 09:26:26] Connected to 127.0.0.1:25 successfully.
[2026-10-20 09:26:26] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:56:26 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 09:26:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-20 09:26:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 09:26:26] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 09:26:26] Password Response: 235 Authentication succeeded
[2026-10-20 09:26:26] SMTP Authentication Successful!
[2026-10-20 09:26:26] MAIL FROM Response: 250 OK
[2026-10-20 09:26:26] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:26] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:26] Attempting socket connection to localhost:25...
[2026-10-20 09:26:26] Connected to localhost:25 successfully.
[2026-10-20 09:26:26] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 20 Oct 2026 14:56:26 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-20 09:26:26] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-20 09:26:26] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-20 09:26:26] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-20 09:26:26] Username Response: 334 UGFzc3dvcmQ6
[2026-10-20 09:26:26] Password Response: 235 Authentication succeeded
[2026-10-20 09:26:26] SMTP Authentication Successful!
[2026-10-20 09:26:26] MAIL FROM Response: 250 OK
[2026-10-20 09:26:26] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:26] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-20 09:26:26] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-20 09:26:26] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-21 04:26:46] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-21 04:26:46] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-21 04:26:46] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-21 04:26:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 21 Oct 2026 09:56:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-21 04:26:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-21 04:26:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-21 04:26:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-21 04:26:46] Password Response: 235 Authentication succeeded
[2026-10-21 04:26:46] SMTP Authentication Successful!
[2026-10-21 04:26:46] MAIL FROM Response: 250 OK
[2026-10-21 04:26:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:26:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:26:46] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-21 04:26:46] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-21 04:26:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 21 Oct 2026 09:56:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-21 04:26:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-21 04:26:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-21 04:26:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-21 04:26:46] Password Response: 235 Authentication succeeded
[2026-10-21 04:26:46] SMTP Authentication Successful!
[2026-10-21 04:26:46] MAIL FROM Response: 250 OK
[2026-10-21 04:26:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:26:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:26:46] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-21 04:26:46] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-21 04:26:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 21 Oct 2026 09:56:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-21 04:26:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-21 04:26:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-21 04:26:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-21 04:26:46] Password Response: 235 Authentication succeeded
[2026-10-21 04:26:46] SMTP Authentication Successful!
[2026-10-21 04:26:46] MAIL FROM Response: 250 OK
[2026-10-21 04:26:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:26:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:26:46] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-21 04:26:46] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-21 04:26:46] Attempting socket connection to 127.0.0.1:25...
[2026-10-21 04:26:46] Connected to 127.0.0.1:25 successfully.
[2026-10-21 04:26:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 21 Oct 2026 09:56:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-21 04:26:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-21 04:26:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-21 04:26:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-21 04:26:46] Password Response: 235 Authentication succeeded
[2026-10-21 04:26:46] SMTP Authentication Successful!
[2026-10-21 04:26:46] MAIL FROM Response: 250 OK
[2026-10-21 04:26:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:26:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:26:46] Attempting socket connection to localhost:25...
[2026-10-21 04:26:46] Connected to localhost:25 successfully.
[2026-10-21 04:26:46] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 21 Oct 2026 09:56:46 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-21 04:26:46] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-21 04:26:46] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-21 04:26:46] Username Response: 334 UGFzc3dvcmQ6
[2026-10-21 04:26:46] Password Response: 235 Authentication succeeded
[2026-10-21 04:26:46] SMTP Authentication Successful!
[2026-10-21 04:26:46] MAIL FROM Response: 250 OK
[2026-10-21 04:26:46] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:26:46] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:26:46] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-21 04:26:47] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-21 04:33:10] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-21 04:33:10] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-21 04:33:10] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-21 04:33:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 21 Oct 2026 10:03:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-21 04:33:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-21 04:33:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-21 04:33:10] Username Response: 334 UGFzc3dvcmQ6
[2026-10-21 04:33:10] Password Response: 235 Authentication succeeded
[2026-10-21 04:33:10] SMTP Authentication Successful!
[2026-10-21 04:33:10] MAIL FROM Response: 250 OK
[2026-10-21 04:33:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:33:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:33:10] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-21 04:33:10] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-21 04:33:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 21 Oct 2026 10:03:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-21 04:33:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-21 04:33:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-21 04:33:10] Username Response: 334 UGFzc3dvcmQ6
[2026-10-21 04:33:10] Password Response: 235 Authentication succeeded
[2026-10-21 04:33:10] SMTP Authentication Successful!
[2026-10-21 04:33:10] MAIL FROM Response: 250 OK
[2026-10-21 04:33:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:33:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:33:10] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-21 04:33:10] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-21 04:33:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 21 Oct 2026 10:03:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-21 04:33:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-21 04:33:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-21 04:33:10] Username Response: 334 UGFzc3dvcmQ6
[2026-10-21 04:33:10] Password Response: 235 Authentication succeeded
[2026-10-21 04:33:10] SMTP Authentication Successful!
[2026-10-21 04:33:10] MAIL FROM Response: 250 OK
[2026-10-21 04:33:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:33:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:33:10] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-21 04:33:10] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-21 04:33:10] Attempting socket connection to 127.0.0.1:25...
[2026-10-21 04:33:10] Connected to 127.0.0.1:25 successfully.
[2026-10-21 04:33:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 21 Oct 2026 10:03:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-21 04:33:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-21 04:33:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-21 04:33:10] Username Response: 334 UGFzc3dvcmQ6
[2026-10-21 04:33:10] Password Response: 235 Authentication succeeded
[2026-10-21 04:33:10] SMTP Authentication Successful!
[2026-10-21 04:33:10] MAIL FROM Response: 250 OK
[2026-10-21 04:33:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:33:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:33:10] Attempting socket connection to localhost:25...
[2026-10-21 04:33:10] Connected to localhost:25 successfully.
[2026-10-21 04:33:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Wed, 21 Oct 2026 10:03:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-21 04:33:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-21 04:33:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-21 04:33:10] Username Response: 334 UGFzc3dvcmQ6
[2026-10-21 04:33:10] Password Response: 235 Authentication succeeded
[2026-10-21 04:33:10] SMTP Authentication Successful!
[2026-10-21 04:33:10] MAIL FROM Response: 250 OK
[2026-10-21 04:33:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:33:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-21 04:33:10] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-21 04:33:10] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-22 08:12:09] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-22 08:12:09] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-22 08:12:09] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-22 08:12:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 22 Oct 2026 13:42:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-22 08:12:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-22 08:12:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-22 08:12:09] Username Response: 334 UGFzc3dvcmQ6
[2026-10-22 08:12:09] Password Response: 235 Authentication succeeded
[2026-10-22 08:12:09] SMTP Authentication Successful!
[2026-10-22 08:12:09] MAIL FROM Response: 250 OK
[2026-10-22 08:12:09] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:09] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:09] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-22 08:12:09] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-22 08:12:09] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 22 Oct 2026 13:42:09 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-22 08:12:09] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-22 08:12:09] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-22 08:12:09] Username Response: 334 UGFzc3dvcmQ6
[2026-10-22 08:12:10] Password Response: 235 Authentication succeeded
[2026-10-22 08:12:10] SMTP Authentication Successful!
[2026-10-22 08:12:10] MAIL FROM Response: 250 OK
[2026-10-22 08:12:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-22 08:12:10] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-22 08:12:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 22 Oct 2026 13:42:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-22 08:12:10] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-22 08:12:10] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-22 08:12:10] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-22 08:12:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 22 Oct 2026 13:42:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-22 08:12:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-22 08:12:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-22 08:12:10] Username Response: 334 UGFzc3dvcmQ6
[2026-10-22 08:12:10] Password Response: 235 Authentication succeeded
[2026-10-22 08:12:10] SMTP Authentication Successful!
[2026-10-22 08:12:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-22 08:12:10] MAIL FROM Response: 250 OK
[2026-10-22 08:12:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-22 08:12:10] Username Response: 334 UGFzc3dvcmQ6
[2026-10-22 08:12:10] Password Response: 235 Authentication succeeded
[2026-10-22 08:12:10] SMTP Authentication Successful!
[2026-10-22 08:12:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-22 08:12:10] MAIL FROM Response: 250 OK
[2026-10-22 08:12:10] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-22 08:12:10] Attempting socket connection to 127.0.0.1:25...
[2026-10-22 08:12:10] Connected to 127.0.0.1:25 successfully.
[2026-10-22 08:12:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 22 Oct 2026 13:42:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-22 08:12:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-22 08:12:10] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-22 08:12:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 22 Oct 2026 13:42:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-22 08:12:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-22 08:12:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-22 08:12:10] Username Response: 334 UGFzc3dvcmQ6
[2026-10-22 08:12:10] Password Response: 235 Authentication succeeded
[2026-10-22 08:12:10] SMTP Authentication Successful!
[2026-10-22 08:12:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-22 08:12:10] MAIL FROM Response: 250 OK
[2026-10-22 08:12:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-22 08:12:10] Username Response: 334 UGFzc3dvcmQ6
[2026-10-22 08:12:10] Password Response: 235 Authentication succeeded
[2026-10-22 08:12:10] SMTP Authentication Successful!
[2026-10-22 08:12:10] MAIL FROM Response: 250 OK
[2026-10-22 08:12:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] Attempting socket connection to localhost:25...
[2026-10-22 08:12:10] Connected to localhost:25 successfully.
[2026-10-22 08:12:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 22 Oct 2026 13:42:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-22 08:12:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-22 08:12:10] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-22 08:12:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 22 Oct 2026 13:42:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-22 08:12:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-22 08:12:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-22 08:12:10] Username Response: 334 UGFzc3dvcmQ6
[2026-10-22 08:12:10] Password Response: 235 Authentication succeeded
[2026-10-22 08:12:10] SMTP Authentication Successful!
[2026-10-22 08:12:10] MAIL FROM Response: 250 OK
[2026-10-22 08:12:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-22 08:12:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-22 08:12:10] Username Response: 334 UGFzc3dvcmQ6
[2026-10-22 08:12:10] Password Response: 235 Authentication succeeded
[2026-10-22 08:12:10] SMTP Authentication Successful!
[2026-10-22 08:12:10] MAIL FROM Response: 250 OK
[2026-10-22 08:12:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-22 08:12:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-22 08:12:10] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-22 08:12:10] Attempting socket connection to 127.0.0.1:25...
[2026-10-22 08:12:10] Connected to 127.0.0.1:25 successfully.
[2026-10-22 08:12:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 22 Oct 2026 13:42:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-22 08:12:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-22 08:12:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-22 08:12:10] Username Response: 334 UGFzc3dvcmQ6
[2026-10-22 08:12:10] Password Response: 235 Authentication succeeded
[2026-10-22 08:12:10] SMTP Authentication Successful!
[2026-10-22 08:12:10] MAIL FROM Response: 250 OK
[2026-10-22 08:12:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] Attempting socket connection to localhost:25...
[2026-10-22 08:12:10] Connected to localhost:25 successfully.
[2026-10-22 08:12:10] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Thu, 22 Oct 2026 13:42:10 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-22 08:12:10] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-22 08:12:10] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-22 08:12:10] Username Response: 334 UGFzc3dvcmQ6
[2026-10-22 08:12:10] Password Response: 235 Authentication succeeded
[2026-10-22 08:12:10] SMTP Authentication Successful!
[2026-10-22 08:12:10] MAIL FROM Response: 250 OK
[2026-10-22 08:12:10] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-22 08:12:10] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-22 08:12:10] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-22 08:12:10] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-23 08:37:54] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-23 08:37:54] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-23 08:37:54] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-23 08:37:54] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 23 Oct 2026 14:07:54 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 08:37:54] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-23 08:37:54] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 08:37:54] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 08:37:54] Password Response: 235 Authentication succeeded
[2026-10-23 08:37:54] SMTP Authentication Successful!
[2026-10-23 08:37:54] MAIL FROM Response: 250 OK
[2026-10-23 08:37:54] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:37:54] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:37:54] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-23 08:37:54] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-23 08:37:54] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 23 Oct 2026 14:07:54 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 08:37:54] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-23 08:37:54] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 08:37:54] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 08:37:54] Password Response: 235 Authentication succeeded
[2026-10-23 08:37:54] SMTP Authentication Successful!
[2026-10-23 08:37:54] MAIL FROM Response: 250 OK
[2026-10-23 08:37:54] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:37:54] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:37:54] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-23 08:37:54] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-23 08:37:54] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 23 Oct 2026 14:07:54 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 08:37:54] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-23 08:37:54] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 08:37:54] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 08:37:54] Password Response: 235 Authentication succeeded
[2026-10-23 08:37:54] SMTP Authentication Successful!
[2026-10-23 08:37:54] MAIL FROM Response: 250 OK
[2026-10-23 08:37:54] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:37:54] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:37:54] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-23 08:37:54] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-23 08:37:54] Attempting socket connection to 127.0.0.1:25...
[2026-10-23 08:37:54] Connected to 127.0.0.1:25 successfully.
[2026-10-23 08:37:54] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 23 Oct 2026 14:07:54 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 08:37:54] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-23 08:37:54] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 08:37:54] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 08:37:54] Password Response: 235 Authentication succeeded
[2026-10-23 08:37:54] SMTP Authentication Successful!
[2026-10-23 08:37:54] MAIL FROM Response: 250 OK
[2026-10-23 08:37:54] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:37:54] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:37:54] Attempting socket connection to localhost:25...
[2026-10-23 08:37:54] Connected to localhost:25 successfully.
[2026-10-23 08:37:54] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 23 Oct 2026 14:07:54 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 08:37:54] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-23 08:37:54] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 08:37:54] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 08:37:54] Password Response: 235 Authentication succeeded
[2026-10-23 08:37:54] SMTP Authentication Successful!
[2026-10-23 08:37:54] MAIL FROM Response: 250 OK
[2026-10-23 08:37:54] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:37:54] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:37:54] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-23 08:37:54] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-23 08:47:55] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-23 08:47:55] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-23 08:47:55] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-23 08:47:55] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 23 Oct 2026 14:17:55 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 08:47:55] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-23 08:47:55] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 08:47:55] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 08:47:55] Password Response: 235 Authentication succeeded
[2026-10-23 08:47:55] SMTP Authentication Successful!
[2026-10-23 08:47:55] MAIL FROM Response: 250 OK
[2026-10-23 08:47:55] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:47:55] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:47:55] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-23 08:47:55] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-23 08:47:55] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 23 Oct 2026 14:17:55 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 08:47:55] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-23 08:47:55] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 08:47:55] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 08:47:55] Password Response: 235 Authentication succeeded
[2026-10-23 08:47:55] SMTP Authentication Successful!
[2026-10-23 08:47:55] MAIL FROM Response: 250 OK
[2026-10-23 08:47:55] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:47:55] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:47:55] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-23 08:47:55] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-23 08:47:55] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 23 Oct 2026 14:17:55 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 08:47:55] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-23 08:47:55] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 08:47:55] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 08:47:55] Password Response: 235 Authentication succeeded
[2026-10-23 08:47:55] SMTP Authentication Successful!
[2026-10-23 08:47:55] MAIL FROM Response: 250 OK
[2026-10-23 08:47:55] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:47:55] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:47:55] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-23 08:47:55] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-23 08:47:55] Attempting socket connection to 127.0.0.1:25...
[2026-10-23 08:47:55] Connected to 127.0.0.1:25 successfully.
[2026-10-23 08:47:55] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 23 Oct 2026 14:17:55 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 08:47:55] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-23 08:47:55] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 08:47:55] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 08:47:55] Password Response: 235 Authentication succeeded
[2026-10-23 08:47:55] SMTP Authentication Successful!
[2026-10-23 08:47:55] MAIL FROM Response: 250 OK
[2026-10-23 08:47:55] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:47:55] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:47:55] Attempting socket connection to localhost:25...
[2026-10-23 08:47:55] Connected to localhost:25 successfully.
[2026-10-23 08:47:55] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Fri, 23 Oct 2026 14:17:55 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 08:47:56] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-23 08:47:56] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 08:47:56] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 08:47:56] Password Response: 235 Authentication succeeded
[2026-10-23 08:47:56] SMTP Authentication Successful!
[2026-10-23 08:47:56] MAIL FROM Response: 250 OK
[2026-10-23 08:47:56] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:47:56] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 08:47:56] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-23 08:47:56] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-23 22:51:27] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-23 22:51:27] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-23 22:51:27] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-23 22:51:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 04:21:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 22:51:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-23 22:51:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 22:51:27] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 22:51:27] Password Response: 235 Authentication succeeded
[2026-10-23 22:51:27] SMTP Authentication Successful!
[2026-10-23 22:51:27] MAIL FROM Response: 250 OK
[2026-10-23 22:51:27] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 22:51:27] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 22:51:27] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-23 22:51:27] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-23 22:51:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 04:21:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 22:51:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-23 22:51:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 22:51:27] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 22:51:27] Password Response: 235 Authentication succeeded
[2026-10-23 22:51:27] SMTP Authentication Successful!
[2026-10-23 22:51:27] MAIL FROM Response: 250 OK
[2026-10-23 22:51:27] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 22:51:27] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 22:51:27] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-23 22:51:27] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-23 22:51:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 04:21:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 22:51:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-23 22:51:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 22:51:27] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 22:51:27] Password Response: 235 Authentication succeeded
[2026-10-23 22:51:27] SMTP Authentication Successful!
[2026-10-23 22:51:27] MAIL FROM Response: 250 OK
[2026-10-23 22:51:27] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 22:51:27] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 22:51:27] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-23 22:51:27] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-23 22:51:27] Attempting socket connection to 127.0.0.1:25...
[2026-10-23 22:51:27] Connected to 127.0.0.1:25 successfully.
[2026-10-23 22:51:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 04:21:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 22:51:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-23 22:51:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 22:51:27] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 22:51:27] Password Response: 235 Authentication succeeded
[2026-10-23 22:51:27] SMTP Authentication Successful!
[2026-10-23 22:51:27] MAIL FROM Response: 250 OK
[2026-10-23 22:51:27] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 22:51:27] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 22:51:27] Attempting socket connection to localhost:25...
[2026-10-23 22:51:27] Connected to localhost:25 successfully.
[2026-10-23 22:51:27] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 04:21:27 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-23 22:51:27] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-23 22:51:27] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-23 22:51:27] Username Response: 334 UGFzc3dvcmQ6
[2026-10-23 22:51:27] Password Response: 235 Authentication succeeded
[2026-10-23 22:51:27] SMTP Authentication Successful!
[2026-10-23 22:51:27] MAIL FROM Response: 250 OK
[2026-10-23 22:51:27] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 22:51:27] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-23 22:51:27] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-23 22:51:27] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-24 09:36:43] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-24 09:36:43] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-24 09:36:43] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-24 09:36:43] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 15:06:43 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-24 09:36:43] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-24 09:36:43] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-24 09:36:43] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-24 09:36:43] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-24 09:36:43] Username Response: 334 UGFzc3dvcmQ6
[2026-10-24 09:36:43] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-24 09:36:43] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 15:06:43 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-24 09:36:43] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-24 09:36:43] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-24 09:36:43] Username Response: 334 UGFzc3dvcmQ6
[2026-10-24 09:36:43] Password Response: 235 Authentication succeeded
[2026-10-24 09:36:43] SMTP Authentication Successful!
[2026-10-24 09:36:43] MAIL FROM Response: 250 OK
[2026-10-24 09:36:43] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-24 09:36:43] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-24 09:36:43] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 15:06:43 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-24 09:36:43] Password Response: 235 Authentication succeeded
[2026-10-24 09:36:43] SMTP Authentication Successful!
[2026-10-24 09:36:43] MAIL FROM Response: 250 OK
[2026-10-24 09:36:43] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-24 09:36:43] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-24 09:36:43] Username Response: 334 UGFzc3dvcmQ6
[2026-10-24 09:36:43] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-24 09:36:43] Password Response: 235 Authentication succeeded
[2026-10-24 09:36:43] SMTP Authentication Successful!
[2026-10-24 09:36:43] MAIL FROM Response: 250 OK
[2026-10-24 09:36:43] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-24 09:36:43] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 15:06:43 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-24 09:36:43] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-24 09:36:43] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-24 09:36:43] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-24 09:36:43] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 15:06:43 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-24 09:36:43] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-24 09:36:43] Username Response: 334 UGFzc3dvcmQ6
[2026-10-24 09:36:43] Password Response: 235 Authentication succeeded
[2026-10-24 09:36:43] SMTP Authentication Successful!
[2026-10-24 09:36:43] MAIL FROM Response: 250 OK
[2026-10-24 09:36:43] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-24 09:36:43] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-24 09:36:43] Username Response: 334 UGFzc3dvcmQ6
[2026-10-24 09:36:43] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-24 09:36:43] Password Response: 235 Authentication succeeded
[2026-10-24 09:36:43] SMTP Authentication Successful!
[2026-10-24 09:36:43] MAIL FROM Response: 250 OK
[2026-10-24 09:36:43] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-24 09:36:43] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 15:06:43 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-24 09:36:43] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-24 09:36:43] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-24 09:36:43] Attempting socket connection to 127.0.0.1:25...
[2026-10-24 09:36:43] Connected to 127.0.0.1:25 successfully.
[2026-10-24 09:36:43] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 15:06:43 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-24 09:36:43] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-24 09:36:43] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-24 09:36:43] Username Response: 334 UGFzc3dvcmQ6
[2026-10-24 09:36:43] Password Response: 235 Authentication succeeded
[2026-10-24 09:36:43] SMTP Authentication Successful!
[2026-10-24 09:36:43] MAIL FROM Response: 250 OK
[2026-10-24 09:36:43] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-24 09:36:43] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-24 09:36:43] Username Response: 334 UGFzc3dvcmQ6
[2026-10-24 09:36:43] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-24 09:36:43] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-24 09:36:43] Attempting socket connection to 127.0.0.1:25...
[2026-10-24 09:36:43] Connected to 127.0.0.1:25 successfully.
[2026-10-24 09:36:43] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 15:06:43 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-24 09:36:43] Password Response: 235 Authentication succeeded
[2026-10-24 09:36:43] SMTP Authentication Successful!
[2026-10-24 09:36:43] MAIL FROM Response: 250 OK
[2026-10-24 09:36:43] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] Attempting socket connection to localhost:25...
[2026-10-24 09:36:43] Connected to localhost:25 successfully.
[2026-10-24 09:36:43] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 15:06:43 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-24 09:36:43] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-24 09:36:43] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-24 09:36:43] Username Response: 334 UGFzc3dvcmQ6
[2026-10-24 09:36:43] Password Response: 235 Authentication succeeded
[2026-10-24 09:36:43] SMTP Authentication Successful!
[2026-10-24 09:36:43] MAIL FROM Response: 250 OK
[2026-10-24 09:36:43] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-24 09:36:43] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-24 09:36:43] Username Response: 334 UGFzc3dvcmQ6
[2026-10-24 09:36:43] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] Attempting socket connection to localhost:25...
[2026-10-24 09:36:43] Connected to localhost:25 successfully.
[2026-10-24 09:36:43] Password Response: 235 Authentication succeeded
[2026-10-24 09:36:43] SMTP Authentication Successful!
[2026-10-24 09:36:43] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Sat, 24 Oct 2026 15:06:43 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-24 09:36:43] MAIL FROM Response: 250 OK
[2026-10-24 09:36:43] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-24 09:36:43] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-24 09:36:43] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-24 09:36:43] Username Response: 334 UGFzc3dvcmQ6
[2026-10-24 09:36:43] Password Response: 235 Authentication succeeded
[2026-10-24 09:36:43] SMTP Authentication Successful!
[2026-10-24 09:36:43] MAIL FROM Response: 250 OK
[2026-10-24 09:36:43] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-24 09:36:43] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-24 09:36:43] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-24 09:36:43] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-26 06:50:21] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-26 06:50:21] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-26 06:50:21] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-26 06:50:21] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:20:21 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 06:50:21] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-26 06:50:21] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 06:50:21] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 06:50:21] Password Response: 235 Authentication succeeded
[2026-10-26 06:50:21] SMTP Authentication Successful!
[2026-10-26 06:50:21] MAIL FROM Response: 250 OK
[2026-10-26 06:50:21] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 06:50:21] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 06:50:21] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-26 06:50:21] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-26 06:50:21] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:20:21 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 06:50:21] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-26 06:50:21] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 06:50:21] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 06:50:21] Password Response: 235 Authentication succeeded
[2026-10-26 06:50:21] SMTP Authentication Successful!
[2026-10-26 06:50:21] MAIL FROM Response: 250 OK
[2026-10-26 06:50:21] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 06:50:21] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 06:50:21] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-26 06:50:21] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-26 06:50:21] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:20:21 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 06:50:21] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-26 06:50:21] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 06:50:21] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 06:50:21] Password Response: 235 Authentication succeeded
[2026-10-26 06:50:21] SMTP Authentication Successful!
[2026-10-26 06:50:21] MAIL FROM Response: 250 OK
[2026-10-26 06:50:21] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 06:50:21] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 06:50:21] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-26 06:50:21] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-26 06:50:21] Attempting socket connection to 127.0.0.1:25...
[2026-10-26 06:50:21] Connected to 127.0.0.1:25 successfully.
[2026-10-26 06:50:21] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:20:21 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 06:50:21] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-26 06:50:21] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 06:50:22] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 06:50:22] Password Response: 235 Authentication succeeded
[2026-10-26 06:50:22] SMTP Authentication Successful!
[2026-10-26 06:50:22] MAIL FROM Response: 250 OK
[2026-10-26 06:50:22] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 06:50:22] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 06:50:22] Attempting socket connection to localhost:25...
[2026-10-26 06:50:22] Connected to localhost:25 successfully.
[2026-10-26 06:50:22] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:20:22 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 06:50:22] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-26 06:50:22] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 06:50:22] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 06:50:22] Password Response: 235 Authentication succeeded
[2026-10-26 06:50:22] SMTP Authentication Successful!
[2026-10-26 06:50:22] MAIL FROM Response: 250 OK
[2026-10-26 06:50:22] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 06:50:22] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 06:50:22] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-26 06:50:22] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-26 07:06:23] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-26 07:06:23] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-26 07:06:23] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-26 07:06:23] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:36:23 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 07:06:23] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-26 07:06:23] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 07:06:23] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 07:06:23] Password Response: 235 Authentication succeeded
[2026-10-26 07:06:23] SMTP Authentication Successful!
[2026-10-26 07:06:23] MAIL FROM Response: 250 OK
[2026-10-26 07:06:23] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:23] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:23] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-26 07:06:23] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-26 07:06:23] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:36:23 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 07:06:23] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-26 07:06:23] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 07:06:23] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 07:06:23] Password Response: 235 Authentication succeeded
[2026-10-26 07:06:23] SMTP Authentication Successful!
[2026-10-26 07:06:23] MAIL FROM Response: 250 OK
[2026-10-26 07:06:23] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:23] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:23] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-26 07:06:23] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-26 07:06:23] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:36:23 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 07:06:23] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-26 07:06:23] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 07:06:23] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 07:06:23] Password Response: 235 Authentication succeeded
[2026-10-26 07:06:23] SMTP Authentication Successful!
[2026-10-26 07:06:23] MAIL FROM Response: 250 OK
[2026-10-26 07:06:23] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:23] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:23] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-26 07:06:23] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-26 07:06:23] Attempting socket connection to 127.0.0.1:25...
[2026-10-26 07:06:23] Connected to 127.0.0.1:25 successfully.
[2026-10-26 07:06:23] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:36:23 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 07:06:23] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-26 07:06:23] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 07:06:23] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 07:06:23] Password Response: 235 Authentication succeeded
[2026-10-26 07:06:23] SMTP Authentication Successful!
[2026-10-26 07:06:23] MAIL FROM Response: 250 OK
[2026-10-26 07:06:23] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:23] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:23] Attempting socket connection to localhost:25...
[2026-10-26 07:06:23] Connected to localhost:25 successfully.
[2026-10-26 07:06:23] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:36:23 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 07:06:24] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-26 07:06:24] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 07:06:24] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 07:06:24] Password Response: 235 Authentication succeeded
[2026-10-26 07:06:24] SMTP Authentication Successful!
[2026-10-26 07:06:24] MAIL FROM Response: 250 OK
[2026-10-26 07:06:24] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:24] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:24] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-26 07:06:24] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-26 07:06:24] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-26 07:06:24] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-26 07:06:24] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-26 07:06:24] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:36:24 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 07:06:24] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-26 07:06:24] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 07:06:24] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 07:06:24] Password Response: 235 Authentication succeeded
[2026-10-26 07:06:24] SMTP Authentication Successful!
[2026-10-26 07:06:24] MAIL FROM Response: 250 OK
[2026-10-26 07:06:24] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:24] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:24] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-26 07:06:24] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-26 07:06:24] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:36:24 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 07:06:24] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-26 07:06:24] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 07:06:24] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 07:06:24] Password Response: 235 Authentication succeeded
[2026-10-26 07:06:24] SMTP Authentication Successful!
[2026-10-26 07:06:24] MAIL FROM Response: 250 OK
[2026-10-26 07:06:24] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:24] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:24] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-26 07:06:24] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-26 07:06:24] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:36:24 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 07:06:24] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-26 07:06:24] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 07:06:24] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 07:06:24] Password Response: 235 Authentication succeeded
[2026-10-26 07:06:24] SMTP Authentication Successful!
[2026-10-26 07:06:24] MAIL FROM Response: 250 OK
[2026-10-26 07:06:24] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:24] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:24] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-26 07:06:24] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-26 07:06:24] Attempting socket connection to 127.0.0.1:25...
[2026-10-26 07:06:24] Connected to 127.0.0.1:25 successfully.
[2026-10-26 07:06:24] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:36:24 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 07:06:24] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-26 07:06:24] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 07:06:24] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 07:06:24] Password Response: 235 Authentication succeeded
[2026-10-26 07:06:24] SMTP Authentication Successful!
[2026-10-26 07:06:24] MAIL FROM Response: 250 OK
[2026-10-26 07:06:24] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:24] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:24] Attempting socket connection to localhost:25...
[2026-10-26 07:06:24] Connected to localhost:25 successfully.
[2026-10-26 07:06:24] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Mon, 26 Oct 2026 12:36:24 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 07:06:24] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-26 07:06:24] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 07:06:24] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 07:06:24] Password Response: 235 Authentication succeeded
[2026-10-26 07:06:24] SMTP Authentication Successful!
[2026-10-26 07:06:24] MAIL FROM Response: 250 OK
[2026-10-26 07:06:24] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:24] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 07:06:24] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-26 07:06:25] Native mail() result: SUCCESS (Accepted by local sendmail agent)
[2026-10-26 20:43:11] === Starting sendSmtpEmail to: test@example.com | Subject: Test OTP Verification - Orbit Engineering ===
[2026-10-26 20:43:11] Attempting socket connection to ssl://nvme.serverpanel.in:465...
[2026-10-26 20:43:11] Connected to ssl://nvme.serverpanel.in:465 successfully.
[2026-10-26 20:43:11] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 27 Oct 2026 02:13:11 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 20:43:11] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-26 20:43:11] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 20:43:11] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 20:43:11] Password Response: 235 Authentication succeeded
[2026-10-26 20:43:11] SMTP Authentication Successful!
[2026-10-26 20:43:11] MAIL FROM Response: 250 OK
[2026-10-26 20:43:11] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 20:43:11] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 20:43:11] Attempting socket connection to ssl://mail.orbitengineering.store:465...
[2026-10-26 20:43:11] Connected to ssl://mail.orbitengineering.store:465 successfully.
[2026-10-26 20:43:11] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 27 Oct 2026 02:13:11 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 20:43:11] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-26 20:43:11] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 20:43:11] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 20:43:11] Password Response: 235 Authentication succeeded
[2026-10-26 20:43:11] SMTP Authentication Successful!
[2026-10-26 20:43:11] MAIL FROM Response: 250 OK
[2026-10-26 20:43:11] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 20:43:11] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 20:43:11] Attempting socket connection to ssl://157.90.210.53:465...
[2026-10-26 20:43:11] Connected to ssl://157.90.210.53:465 successfully.
[2026-10-26 20:43:11] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 27 Oct 2026 02:13:11 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 20:43:11] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [157.90.210.53]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250 HELP
[2026-10-26 20:43:11] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 20:43:11] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 20:43:11] Password Response: 235 Authentication succeeded
[2026-10-26 20:43:11] SMTP Authentication Successful!
[2026-10-26 20:43:11] MAIL FROM Response: 250 OK
[2026-10-26 20:43:11] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 20:43:11] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 20:43:11] Attempting socket connection to tls://nvme.serverpanel.in:587...
[2026-10-26 20:43:11] Failed to connect to tls://nvme.serverpanel.in:587: [0] 
[2026-10-26 20:43:11] Attempting socket connection to 127.0.0.1:25...
[2026-10-26 20:43:11] Connected to 127.0.0.1:25 successfully.
[2026-10-26 20:43:11] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 27 Oct 2026 02:13:11 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 20:43:11] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-26 20:43:11] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 20:43:11] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 20:43:11] Password Response: 235 Authentication succeeded
[2026-10-26 20:43:11] SMTP Authentication Successful!
[2026-10-26 20:43:11] MAIL FROM Response: 250 OK
[2026-10-26 20:43:11] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 20:43:11] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 20:43:11] Attempting socket connection to localhost:25...
[2026-10-26 20:43:11] Connected to localhost:25 successfully.
[2026-10-26 20:43:11] Server Greeting: 220-nvme.serverpanel.in ESMTP Exim 4.99.1 #2 Tue, 27 Oct 2026 02:13:11 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.
[2026-10-26 20:43:11] EHLO Response: 250-nvme.serverpanel.in Hello nvme.serverpanel.in [127.0.0.1]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
[2026-10-26 20:43:11] AUTH LOGIN Init Response: 334 VXNlcm5hbWU6
[2026-10-26 20:43:11] Username Response: 334 UGFzc3dvcmQ6
[2026-10-26 20:43:11] Password Response: 235 Authentication succeeded
[2026-10-26 20:43:11] SMTP Authentication Successful!
[2026-10-26 20:43:11] MAIL FROM Response: 250 OK
[2026-10-26 20:43:11] RCPT TO Response: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 20:43:11] RCPT TO failed: 550-The mail server could not deliver mail to test@example.com.  The account or
550-domain may not exist, they may be blacklisted, or missing the proper dns
550 entries.
[2026-10-26 20:43:11] All SMTP socket connections failed or were rejected. Attempting PHP native mail() fallback...
[2026-10-26 20:43:11] Native mail() result: SUCCESS (Accepted by local sendmail agent)