On Sat, 2004-01-03 at 12:42, Donald Tyler wrote: > I have setup a sendmail server and have been using it successfully for a > week or so now. I added some more accounts and these people and been > complaining of having some of their emails returned to them with the > following error: > Are you sure these new accounts (these people as you state) have configured their MUA correctly? I believe 5.5.4 is "sender address is invalid". i.e. MAIL FROM: Steve Cowles -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
