Pete -- Thanks. That explains why I thought there was some sort of oofbot handling in listserv: I get these fairly regularly and didn't understand why. > This is one is very simple i.e., I think that you thought > this one was complicated. Basically the receiver's MUA sent > the OOO to the correct address -- the RFC821 MAIL FROM field > (and for standard LISTSERV processing, "maps" to the list's > ERRORS-TO= field, that tends to be the list-owner) which IS > the standard "bounce" address. > > Of course whether it should have replied at all is another issue. Yep. Sigh . . . -- Russ St. Thomas University http://www.stu.ca/~hunt/