[Unit] Description=rapid spam filtering system After=nss-lookup.target [Service] Type=forking PIDFile=/run/rspamd/rspamd.pid ExecStartPre=/usr/bin/mkdir -p /run/rspamd ExecStartPre=/usr/bin/chown _rspamd:_rspamd /run/rspamd ExecStart=/usr/bin/rspamd -c /etc/rspamd/rspamd.conf User=_rspamd PermissionsStartOnly=true [Install] WantedBy=multi-user.target