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Re: [dmarc-ietf] non-mailing list use case for differing header domains

"Murray S. Kucherawy" <superuser@gmail.com> Sun, 02 August 2020 21:22 UTC

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From: "Murray S. Kucherawy" <superuser@gmail.com>
Date: Sun, 02 Aug 2020 14:22:36 -0700
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To: Doug Foster <fosterd@bayviewphysicians.com>
Cc: John Levine <johnl@taugh.com>, IETF DMARC WG <dmarc@ietf.org>
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Subject: Re: [dmarc-ietf] non-mailing list use case for differing header domains
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On Sun, Aug 2, 2020 at 11:55 AM Douglas E. Foster <
fosterd@bayviewphysicians.com> wrote:

> If they would provide a way to register a mailing list and the servers
> from which it comes, and allow DMARC exceptions for traffic from those
> registered lists, your situation would be much easier?
>

Ignoring for the moment the problems of scale with any "register your
lists" solution, I don't think users can reasonably be expected to keep
such a registration current if, say, the servers were to move.  Such a
migration would no longer be transparent, as it is today.

-MSK

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