File: /var/lib/roundcube/config/debian-db.php
<?php
##
## database access settings in php format
## automatically generated from /etc/dbconfig-common/roundcube.conf
## by /usr/sbin/dbconfig-generate-include
##
## by default this file is managed via ucf, so you shouldn't have to
## worry about manual changes being silently discarded. *however*,
## you'll probably also want to edit the configuration file mentioned
## above too.
##
$dbuser='roundcube';
$dbpass='yQ4vD7pB1fI2xQ7k';
$basepath='';
$dbname='roundcube';
$dbserver='localhost';
$dbport='3306';
$dbtype='mysql';