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/