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Re: [dmarc-ietf] A-R results for DMARC

Douglas Foster <dougfoster.emailstandards@gmail.com> Wed, 09 December 2020 03:37 UTC

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From: Douglas Foster <dougfoster.emailstandards@gmail.com>
Date: Tue, 08 Dec 2020 22:37:40 -0500
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To: IETF DMARC WG <dmarc@ietf.org>
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Subject: Re: [dmarc-ietf] A-R results for DMARC
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If included in an ARC set, John's extensions would solve my concerns about
lost data during forwarding.   HELO links the result to a received entry.
 Full SMTP address recovers data lost to SMTP rewrite.  DKIM domain
partially recovers from From rewrite if it is the From foaming being
reported,  but the full address is actually needed for some situations.



On Tue, Dec 8, 2020, 8:45 PM John R Levine <johnl@taugh.com> wrote:

> > but a standard place does allow different tools from different folks to
> be
> > used together.
>
> Well, it was certainly easy to code:
>
>   Authentication-Results: iecc.com; spf=pass spf.mailfrom=blong@google.com
> spf.helo=mail-vk1-xa2c.google.com
> smtp.remote-ip="2607:f8b0:4864:20::a2c"; dkim=pass header.d=google.com
> header.s=20161025 header.a=rsa-sha256 header.b="QsMz7qJd"; dmarc=pass
> header.from=google.com polrec.p=reject polrec.pct=100
>
> Regards,
> John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
> Please consider the environment before reading this e-mail. https://jl.ly
>
> _______________________________________________
> dmarc mailing list
> dmarc@ietf.org
> https://www.ietf.org/mailman/listinfo/dmarc
>

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