https://git.cloudron.io/cloudron/releasebell/-/tree/master
Install manually with develop.sh
Execute Commandos manually with most recent version
Add to mysql docker command database and port for migration to work.
export CLOUDRON_MAIL_SERVER=
export CLOUDRON_MAIL_SERVER_PORT=
export CLOUDRON_MAIL_FROM=
Error: invalid login: 503 authentication not enabled smtp
Remove Auth in file as it is not needed by Mailserver.