postfix.service

   1 [Unit]
   2 Description=Postfix Mail Transport Agent
   3 After=syslog.target network.target
   4 Conflicts=sendmail.service exim.service
   5
   6 [Service]
   7 Type=forking
   8 PIDFile=/var/spool/postfix/pid/master.pid
   9 ExecStart=/usr/sbin/postfix start
  10 ExecReload=/usr/sbin/postfix reload
  11 ExecStop=/usr/sbin/postfix stop
  12
  13 [Install]
  14 WantedBy=multi-user.target