Roundcube Webmail Client

I was installing roundcube webclinet on my server and both SMTP and IMAP server using TTLS for encrypted connection. However, I used Lets Encrypt SSL certificate. The PHP couldn’t validate the certificate when configuring roundcube. Therefore, it couldn’t establish connection to SMTP and IMAP.

here is the command to test the SSL on you SMTP and IMAP servers:

 

To fix this issue ( after long hours of search ) the PHP SSL validation must be switched off in the config.inc.php file. Here is the lines that need to be added:

 

Best of luck.
— Saeed 🙂



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