Resent-* (was: draft-ietf-marid-protocol-03)

Tony Finch wrote:

> It depends very much on which MUA software you and your
> correspondents use.
Oh, yes, that's always true, and some MUAs have serious
problems with MIME, or ignore Reply-To.

> Pine is very common here and its "bounce" function
> implements message resending.
Bouncing MUAs, shudder.  Is that a pre-MIME MUA, or do
you know why it doesn't use message/rfc822 ?  I'm just
curious, because I've never seen a Resent-* message.

                 Bye, Frank