[Mailman-Users] dmarc_moderation_action isn't working

[Jim Popovitch]

On Thu, May 29, 2014 at 6:03 AM, Joel Uckelman <uckelman at nomic.net> wrote:
> Thus spake Mark Sapiro:
>>
>> If all you are saying is that a lot of posts are From: non-members
>> because they come via the phpbb forum, that shouldn't matter. Mailman
>> should still check the From: domain for DMARC and apply the
>> dmarc_moderation_action as required regardless of list membership.
>
> This is exactly what I'm saying. Many messages posted to the list via
> the bridge have From: headers with non-list-member addresses in them.
> All messages posted to the list via the bridge have the Sender: address
> set to a special address which *is* a list subscriber, which is why (I
> believe) Mailman does not reject such messages as originating from
> non-subscribers.

Can you pastebin a full set of headers, distinctly obfuscating
people's names, etc.?

-Jim P.