[Unit] Before=opendkim-chroot.service postfix-chroot.service postfix-chroot@-.service PartOf=chr-maild.target [Mount] What=/run/opendkim Where=/chroot/maild/run/opendkim Type=none Options=defaults,noexec,nosuid,nodev,bind,rprivate,nofail [Install] WantedBy=chr-maild.target