Topic: DATABASE ERROR! Unable to connect to the database.
1. Inside /root/iRedMail-1.6.2/, append this line in file `config`:
2. bash iRedMail.sh
3. A line has been added. - [ INFO ] Configure Roundcube webmail.
Unable to connect to the database.
Contact the server administrator.
5. /opt/www/roundcubemail/config/config.inc.php - correct SQL database, username, password.
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