Re: [apps-discuss] Pete Resnick's Yes on draft-ietf-appsawg-malformed-mail-10: (with COMMENT)

[Ned Freed <[e-mail]>]

> All of this works for me except:

> On Wed, Nov 20, 2013 at 2:35 PM, Pete Resnick <[e-mail]>wrote:

> > 7.5.3 - What's the harm in more than one Return-Path? Only one of
> > interest is the top-most.
> >

> The issue here is that some components pick the last one, and some pick the
> first, in general.  More often this happen with From, but Return-Path is
> not special in this regard.

FWIW, one thing an MDA can do is check and see if the top Return-path: agrees
with the current MAIL FROM, and if it does don't add a redundant Return-path:
field.

				Ned