[Unit] Description=Courier-IMAP service Wants=network-online.target Wants=courier-authlib.service After=network-online.target After=courier-authlib.service [Install] WantedBy=mail-transfer-agent.target WantedBy=multi-user.target # First start could take several minutes, to generate the DH param file [Service] Type=forking Restart=no RemainAfterExit=true ExecStart=@datadir@/courier-imap.sysvinit start ExecStop=@datadir@/courier-imap.sysvinit stop