Tags: roundcube

Smtp auth 550 relay not permitted fix for roundcube exim4

As there are many none working answers floating on the net here is a solution that will fix the issue for most of you:   Locate the configuration file of roundcube defaults.inc.php or main.inc.php: /var/lib/roundcube/config/ (1.2) or /etc/roundcube   Then change the smtp_server: FROM $config = ‘localhost’; TO THIS $config = ‘’; OR $config = […]