On Mon, January 11, 2021 11:45 am, David Carvalho wrote: > Hello. > So now I know that Squirrelmail does not work with starttls on port 25. In fact it does. It works on any port that the SMTP server wants to accept its connections on. That does not mean it's a good thing to set up your mail server's submission service on port 25 (it's generally not). STARTTLS was added in version 1.4.23, so maybe your version is out of date. > I’ve changed $smtpPort value to 465 and maintained $use_smtp_tls = true > and $smtp_auth_mech = ‘login’ , but a network traffic inspection shows my > web server always connecting to the smtp server using port 25. SquirrelMail does not ignore your settings. Maybe you have more than one SquirrelMail installation you are mixing up or your configuration settings were never saved. You're going to have to do more sleuthing; this is not normal behavior for SquirrelMail. -- Paul Lesniewski SquirrelMail Team Please support Open Source Software by donating to SquirrelMail! http://squirrelmail.org/donate_paul_lesniewski.php ----- squirrelmail-users mailing list Posting guidelines: http://squirrelmail.org/postingguidelines List address: squirrelmail-users@xxxxxxxxxxxxxxxxxxxxx List archives: http://news.gmane.org/gmane.mail.squirrelmail.user List info (subscribe/unsubscribe/change options): https://lists.sourceforge.net/lists/listinfo/squirrelmail-users