Re: DMARC: perspectives from a listadmin of large open-source lists

S Moonesamy <> Tue, 08 April 2014 17:22 UTC

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Date: Tue, 08 Apr 2014 10:19:57 -0700
To:, John R Levine <>
From: S Moonesamy <>
Subject: Re: DMARC: perspectives from a listadmin of large open-source lists
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Hi Ned,
At 09:52 08-04-2014, wrote:
>Actually, mailing lists *can* implement DMARC, just not that way: Do a DMARC
>check on all incoming messages, and if the domain policy is one that is
>incompatible with the list's own policies - whatever they are - either change
>the list's policies to conform to that message or reject it outright,
>preferably with a nasty "find another a better mail provider" sort of message.

There is some Mailman code which does the above.

>If the IETF wants to take a leadership position in regards to this issue,
>perhaps someone could set this up.

I did a search before asking this question; I did not find any 
answer.  Does anyone know whether the IETF adheres to BCP 167?

S. Moonesamy