net-mail/opendkim init script use fuser(1) in init script, but not depend on it.
+*opendkim-2.6.7-r2 (24 Oct 2012) + + 24 Oct 2012; Eray Aslan <eras@gentoo.org> +opendkim-2.6.7-r2.ebuild: + Add sys-process/psmisc to RDEPEND - bug #439428 +