name : sendmail.service [Unit] Description=LSB: powerful, efficient, and scalable Mail Transport Agent Before=multi-user.target Before=graphical.target After=remote-fs.target After=network-online.target After=nss-lookup.target [Service] Type=forking Restart=no TimeoutSec=5min IgnoreSIGPIPE=no KillMode=process GuessMainPID=no RemainAfterExit=yes SuccessExitStatus=5 6 ExecStart=/etc/init.d/sendmail start ExecStop=/etc/init.d/sendmail stop [Install] WantedBy=multi-user.target Alias=sendmail.service