[Mailman-Users] DMARC message wrapping not working

Matthew Pounsett matt at conundrum.com
Tue May 21 09:41:30 EDT 2019

On Mon, 20 May 2019 at 11:35, Mark Sapiro <mark at msapiro.net> wrote:

> On 5/19/19 1:13 PM, Matthew Pounsett wrote:
> > I've got a mailman 2.1.26 install I've taken over.  I've attempted to
> turn
> > on DMARC message wrapping by setting DEFAULT_DMARC_MODERATION_ACTION in
> my
> > mm_cfg.py file, but it doesn't seem to have had the desired effect.  I'm
> > still seeing messages from p=reject domains going out with their original
> > headers, and subscribers being blocked as a result of the bounces.
> Setting that in mm_cfg.py only affects lists created after you make the
> change. For existing lists, you have to change the list's configuration.

Ah, I see.  I think that would be worth calling out in the documentation.
I think the way it's currently written strongly implies that it will bring
all lists up to a minimum behaviour.

> Or, I just created <https://www.msapiro.net/scripts/set_dmarc.py>
> (mirrored at <https://fog.ccsf.edu/~msapiro/scripts/set_dmarc.py>) which
> you can copy to Mailman's bin/ directory and run via Mialman's

Thanks.  Knowing what the issue is, I can whip up something like that in a
few minutes.

Thanks for the clue!

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