On Mon, 16 Oct 1995 10:16:00 MDT  Kingsavanh Bounkeua <[log in to unmask]>
had said:
>    Why did listserv think having "Sender:", "From:" or "Reply-To:"  field
>pointing to the list as delivery error? Can I disable this?
 
You probably would not want to - this feature prevents many rejection
messages from going back to the list, and causing a loop. You ought to
tell the poster NOT to include the message headers in the message that
(s)he quotes.   -turgut