Re: [apps-discuss] Slash and version number in Authentication-results: header field

Dave Cridland <dave@cridland.net> Wed, 22 May 2013 10:57 UTC

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Date: Wed, 22 May 2013 11:57:06 +0100
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From: Dave Cridland <dave@cridland.net>
To: Alexey Melnikov <alexey.melnikov@isode.com>
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Cc: S Moonesamy <sm+ietf@elandsys.com>, "apps-discuss@ietf.org" <apps-discuss@ietf.org>
Subject: Re: [apps-discuss] Slash and version number in Authentication-results: header field
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On Wed, May 22, 2013 at 10:11 AM, Dave Cridland <dave@cridland.net> wrote:

> You know, as I think about this, my key question is why remove it?
>
>
Alexey pointed out I was being unclear. I meant removal of the header, as
in this paragraph from the draft:

 "An MTA SHOULD remove any instance of this header field bearing a
   version (express or implied) that it does not support."


> If that's not essential, then we can just have future versions use a
> different header field name, so instead of:
>
> Authentication-Results: example.org/2 [...]
>
> We have:
>
> Authentication-Results-2: example.org [...]
>
> A simplistic M*A might be confused by the presence of the first, but
> surely would simply ignore the presence of the second form?
>
> Dave
>