Re: DMARC methods in mailman

"John Levine" <johnl@taugh.com> Tue, 20 December 2016 19:56 UTC

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Date: Tue, 20 Dec 2016 19:56:01 -0000
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From: John Levine <johnl@taugh.com>
To: ietf@ietf.org
Subject: Re: DMARC methods in mailman
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In article <m1cJIF7-0000DEC@stereo.hq.phicoh.net> you write:
>Just a random idea, I don't think I have seen it before, but I may have missed
>it.
>
>What about adding a checkbox in the mailman profile for subscribers of the
>lists that basically says: if you detect that the sender is using DMARC then
>please rewrite the From header.

Whether a mail system enforces DMARC policies is up to the system's
manager, not individual users.  Even in the IETF, I expect that many,
perhaps a majority, of users have only the dimmest idea what if
anything their operator does with DMARC.

R's,
John