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Re: [Mailman-Users] Fwd: Re: Mailing list membership.

S Moonesamy <sm+ietf@elandsys.com> Thu, 02 March 2017 05:31 UTC

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Date: Wed, 01 Mar 2017 21:26:58 -0800
To: willi uebelherr <willi.uebelherr@riseup.net>, ietf@ietf.org
From: S Moonesamy <sm+ietf@elandsys.com>
Subject: Re: [Mailman-Users] Fwd: Re: Mailing list membership.
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Hi Willi,
At 17:38 01-03-2017, willi uebelherr wrote:
>Jim Popowitch from the mailman user list sent this answer. But i 
>wait also for an answer from Mark Sapiro. I don't know what the 
>mailman developers changed in the newer versions in relation to the 
>DMARC processing.

Mailman 2.18, which was released in May 2014, has a 
dmarc_moderation_action feature which can be used for messages from a 
domain which publishes a DMARC policy of "reject" or 
"quarantine".  As an example, the message at 
https://www.ietf.org/mail-archive/web/ietf/current/msg101343.html is 
from a domain which has a DMARC policy of "p=reject;"

The possible actions of the dmarc_moderation_action feature for a 
domain which publishes a DMARC policy of "reject" or "quarantine" are:

   1. Accept the message as usual

   2. Rewrite the email address in the RFC5322.From header and set the Reply-To
      address to ietf@itf.org

   3. Wrap the message as a message/rfc822 sub-part in a MIME format 
outer message

   4. Reject the message

   5. Discard the message

Regards,
S. Moonesamy

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