I've followed the main tutorial on how to set this up and I've gone through the steps of this post twice now and am getting the same error. It looks like everything should work, but when I get to the Roundcube login page and put in my user information, I get a red box that momentarily popup saying:
Connection to IMAP server failed.
After doing more troubleshooting, I found that if I leave the
$rcmail_config['default_host'] = 'localhost';
in the /var/lib/roundcube/config/main.inc.php
file blank like this
$rcmail_config['default_host'] = '';
I get a new box for server
under the username
on my login page. I've tried all the different server names I can think of which are setup in my ISPConfig3 panel, however I keep getting a red box saying:
Any help with this would be much appreciated.