[Mailman-Users] Recent trouble with DMARC Munging

Mark Sapiro mark at msapiro.net
Mon Jan 16 16:20:26 EST 2017

On 01/16/2017 12:05 PM, Brian Carpenter wrote:
> I would also be interested if anyone has any answers or suggestions to this
> as we have seen the same issue on our mailman servers.

Follow the suggestions there and report what you find.

Is this issue coincident with a cPanel update?

> Enabling the DMARC
> option on the general options page seems to fix it however but I am not sure
> in why this has suddenly become a problem with just using the privacy
> options -- sender filters settings.

The General Options from_is_list setting applies to all posts without
checking the policy of the From: domain. It is something in the DMARC
policy lookup that isn't working.

Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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