[Unit] Description=chasquid mail daemon (service) [Service] ExecStart=/usr/local/bin/chasquid \ # -v=3 \ # --log_dir=/var/log/chasquid/ \ # --alsologtostderr \ Type=simple Restart=always User=mail Group=mail # Let chasquid listen on ports < 1024. AmbientCapabilities=CAP_NET_BIND_SERVICE # Simple security measures just in case. ProtectSystem=full [Install] WantedBy=multi-user.target