Figure out which server software were used.
If the problem is with sending mail, concentrate on the SMTP server, if with receiving mail, concentrate on the IMAP server.
Rule out it's not these client-server connections that are failing.Check your SquirrelMail configuration and see which servers it connects to.This means in order to debug email delivery, you have to: Some mail server software have everything bundled and some are specialized to provide e.g. message delivery agent (MDA) that delivers the mail to local mailboxes, stores them and allows accessing the mailbox using protocols like the IMAP used in SquirrelMail or Microsoft's MAPI.message transfer agents (MTA) & message submission agents (MSA) builds a network for delivering the mail using the SMTP protocol.Wikipedia article on Email agent (infrastructure) helps with perceiving the overall picture): Slightly simplified, mail servers have two sides (e.g. This depends on which mail servers you are using. As a PHP web application it doesn't have own logging, so the information is in the web server logs, usually separated as access and error logs. It doesn't send or receive email, but acts as an IMAP (and SMTP) client. SquirrelMail is an email client, formally mail user agent (MUA) written in PHP. The line that I had to change looked like this: $imap_stream = $imap_port, $error_number, $error_string, 15) īut depending which error you encounter, you will have to change the source code in a different place. Then error messages were finally showing up in the log. What I had to to to find out more details was to search for this error in the SquirrelMail source code, find a function call above it that was prefixed with a remove the and then restart my webserver. In my case, I got an error Error connecting to IMAP server. The interface and feature set are very stripped-down, which some users prefer. Unfortunately, it seems that SquirrelMail is deliberately suppressing error messages using the operator, which makes it impossible to tell what is going on. Legacy (Squirrelmail) This is an older webmail platform provided as an alternative to the current Webmail interface. This will cause error messages to be printed out by the Apache process (which in my case is running in a Docker container), but it will not show errors in the browser. I configured it like this: display_errors = Off Reload the Webmail system and you should be set.
#WEBMAIL SQUIRRELMAIL LOGIN PATCH#
This patch allows you to change the login form of SquirrelMail so a Change Password button appears. In my case it lies in /usr/local/etc/php/php.ini. Many users want a quick and easy way to change their Email password. Usually this file lies somewhere like /etc/php/php.ini. SquirrelMail is a PHP application, so its logging behaviour is configured in php.ini.
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