Now I think I've confused you...! In this case, the message had *not* been distributed to the list previously, and still had that header. That is what was confusing -- on showing up in the moderators' box, it *looked* as if it had been distributed, but it hadn't... Wendy > There are STILL a number of mailers out there that use the RFC822 "To:" > info to decide where to deliver the messages. So here is what happens: > > 1. Joe posts to list. > > 2. LISTSERV forwards to moderator. > > 3. Moderator approves and forwards back to list. > > 4. LISTSERV distributes happily. > > 5. Broken mailer gets message, sees "To:" line, and delivers back to > list. > > 6. LISTSERV forwards to moderator. > > It can be difficult to identify the failing addresses, but at any rate > the message should not be distributed a second time. > > Eric