I just tried to install iRedMail on Ubuntu 16.04 following this tutorial: https://www.linuxbabe.com/mail-server/ubuntu-16-04-iredmail-server-installation
However, I entered the wrong root password during installation and could see a lot mysql errors saying the password was incorrect.
Is there any way I can redo this process? I also noticed that mail.domain.com/iredmail/ returned a 404 not found, but mail.domain.com/mail showed Roundcube but with this text
"DATABASE ERROR: CONNECTION FAILED!
Unable to connect to the database! Please contact your server-administrator."