SHORTHDR will do this...although it will strip all of the other interesting
headers (including MIME headers) as well.

On Fri, 28 Aug 1998 09:47:14 -0400 Jeff Kell said:
>Could I humbly request an enhancement to Listserv to strip out
>'Return-Receipt-To:' headers (and their counterparts, I think Pegasus
>uses one too) from messages?
>
>One subscriber to a list of mine (~900 subscribers) somehow managed to
>send out a few messages with a 'Return-Receipt-To:' pointing to the
>LIST!
>
>Jeff Kell <[log in to unmask]>