[Linux-aus] PSA: Messages sent through LA mailing lists being classified as SPAM

Joel W. Shea jwshea at gmail.com
Fri Jan 15 00:37:08 AEDT 2016

On Thu, Jan 14, 2016 at 09:09:59PM +1100, Joel W. Shea wrote:
> On Thu, Jan 14, 2016 at 04:55:55PM +1100, Russell Coker wrote:
> >
> > Mailman 2.1.8 (the version used here) has a new option
> > dmarc_moderation_action.  That option means that all DKIM signed
> > messages (not DMARC messages regardless of what is indicated) will
> > be treated differently (wrapped, From munged, etc).
> My testing revealed that messages would be munged when there was a
> DMARC record, although I did not test DKIM without DMARC, as you have
> done.

I've since verified that dmarc_moderation_action will -NOT- affect *all*
DKIM signed messages (as you've suggested), and -ONLY- acts on those
where the domain in the "From:" header field publishes a strict DMARC
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