Re: WSJ/gmail/ML, was a permission to...

Ned Freed <[email protected]> Sun, 04 May 2014 08:08:06 -0700 (PDT)
Newsgroups gmane.ietf.rfc822
Message-ID <[email protected]>
> In article <[email protected]> you write:
> >I may be stupid here, but why does dmarc even apply to messages with a
> >List-Id? Right now I can't think of any case where it makes sense to use
> >both List-Id and DMARC.

> What do you think would happen if a List-ID: tag was a free pass
> through spam filters?

When did DMARC become the only anti-spam mechanism in the world? Nowhere did
Arnt say that messages containing a list-id should be exempted from all forms
of AS/AV processing, only that DMARC in particular isn't useful in this case.

FWIW, I agree with Arnt on this one. In fact the case has yet to be made that
DKIM-based whitelisting of list mail is more than a nice-to-have; per-user
whitelisting on the basis of List-id alone along with the usual checks for
blatent viruses and whatnot seems to work pretty well.

				Ned

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