[Unit] Description=Enqueueing facility for restricted clients of nullmailer After=networking.target [Service] ExecStart=/usr/local/sbin/nullmailer-queued RuntimeDirectory=nullmailer ReadWritePaths=/var/spool/nullmailer ProtectSystem=strict ProtectControlGroups=yes ProtectHome=yes PrivateTmp=yes [Install] WantedBy=multi-user.target