[Unit] Description=DomainKeys Identified Mail (DKIM) Milter Documentation=man:opendkim(8) man:opendkim.conf(5) man:opendkim-genkey(8) man:opendkim-genzone(8) man:opendkim-testadsp(8) man:opendkim-testkey http://www.opendkim.org/docs.html After=network.target nss-lookup.target syslog.target [Service] ExecStart=/usr/sbin/opendkim -f -x /etc/opendkim/opendkim.conf ExecReload=/bin/kill -USR1 $MAINPID [Install] WantedBy=multi-user.target