majordomo uses majordomo-owner as the sender address

majordomo/majordomo.spec

@@ -158,6 +158,7 @@ AutoReqProv:  no
             ( echo "#    Majordomo Common Interface"
               echo "majordomo:             \"|$RPM_INSTALL_PREFIX/bin/majordomo-wrapper majordomo\""
               echo "majordomo-master:      nobody"
+              echo "majordomo-owner:       majordomo-master"
               echo "owner-majordomo:       majordomo-master"
               echo "owner-owner:           majordomo-master"
               echo ""