Hi! You can use the following service file for gross. It is proved to work.
***gross.service
[Unit]
Description=Gross greylisting server
Documentation=man:grossd(8)
After=network.target
[Service]
Type=forking
User=gross
Group=gross
RuntimeDirectory=gross
PIDFile=/run/gross/gross.pid
EnvironmentFile=/etc/default/gross
ExecStart=/usr/sbin/grossd -P /run/gross/gross.pid ${DAEMON_OPTS}
[Install]
WantedBy=multi-user.target
--
Regards,
Dmitry Mikhirev
