Edit File: dovecot.service
[Unit] Description=Dovecot Imap Server After=network.target ConditionFileNotEmpty=/etc/dovecot/dovecot.conf ConditionPathExists=!/etc/dovecotdisable [Service] Type=simple ExecStart=/usr/sbin/dovecot -F -c /etc/dovecot/dovecot.conf ExecReload=/usr/sbin/dovecot reload ExecStop=/usr/sbin/dovecot_cpshutdown [Install] WantedBy=multi-user.target