Peer certificate did not match

Turgay Ceylan

• October 13, 2017 08:49

Hello, I have a problem with sending emails. I've installed Let"s Encrypt for AutoSSL and it secured all of my domains, including my hostname. After I finished a website, I configured SMTP to send mails via GSuite (paid user) It worked perfectly for 2 days. On the 3rd morning, it started not to work. This scenerio happened to me for 2 time. At the first time I thought it was my fault. It is interesting that the error started at the same time as the previous error. This is a sample error line that I'm receiving. Other errors are exactly the same. This error occurs when someone try to send a mail. [13-Oct-2017 07:01:32 UTC] PHP Warning: stream_socket_enable_crypto(): Peer certificate CN=`domain.mydomainname.com' did not match expected CN=`smtp.gmail.com' in /home/myhome/public_html/assests/p/postman-smtp/Postman/Postman-Mail/Zend-1.12.10/Mail/Protocol/Smtp.php on line 206 Could you guys help me out ? What am i missing ? Is it because of the SSL ?

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  Turgay Ceylan

  • October 13, 2017 14:03

  I dont know if this is releated ot not. "PHP Warning: stream_socket_enable_crypto()" this problem started at 7AM. I received an email at 8:30 AM about tailwatchhd saying: "The service "tailwatchd" appears to be down."

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  cPanelMichael

  • October 13, 2017 15:12

  Hello, A similiar error message is referenced on the following thread: Issue sending mails through 3rd party In that case, the solution was to disable "WHM >> SMTP Restrictions". Can you check if that helps in this case? Thank you.

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  Turgay Ceylan

  • October 13, 2017 18:34

  Hello, This solution has solved my problem but I will inform you if any problem happens again. It's weird that SMTP Restriction setting was ON and it allowed me to use GSuite SMTP (gmail) for 2 days without any problem. Thank you for your reply.

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