POSTGRES_HOST=postgresql.roundcube.internal.docker POSTGRES_USER=roundcube POSTGRES_PASSWORD=pg_password POSTGRES_DB=roundcube IMAP_HOST=tls://test-mx.rthoni.com SMTP_HOST=tls://test-mx.rthoni.com SIEVE_HOST=test-mx.rthoni.com MAIL_USER_DB_HOST=test-mx.rthoni.com MAIL_USER_DB_USER=postfixadmin MAIL_USER_DB_PASSWORD=pg_password MAIL_USER_DB_DB=postfixadmin MAIL_USER_DB_PORT=34000 DES_KEY=CHANGE_IT