[Unit] Description=Postfix Greylisting Service Documentation=man:postgrey(8) Before=postfix.service [Service] Type=forking EnvironmentFile=-/etc/sysconfig/postgrey ExecStartPre=-/bin/rm -f /var/run/postgrey.pid PIDFile=/var/run/postgrey.pid ExecStart=/usr/sbin/postgrey \ --unix=/var/spool/postfix/postgrey/socket \ --pidfile=/var/run/postgrey.pid \ --group=postgrey \ --user=postgrey \ '--greylist-text=Greylisted for %%s seconds' \ --daemonize \ $POSTGREY_OPTS Restart=always RestartSec=1 TimeoutSec=5 [Install] WantedBy=multi-user.target