On 8/17/2020 7:33 AM, Dotzero wrote:
DMARC fixes one thing and one thing only, direct domain abuse.


It does no such thing.  Domains can still be 'directly' abused in all sorts of ways that DMARC does not affect.

<rant>

   A continuing and in my view fundamental problem with discussion in
   this space is the lack of careful and precise language when talking
   about actions and effects.

</rant>

So...

DMARC fixes abuse of rfc5322.From field domains.

THAT is the only thing it does.

And it does it at the expense of breaking some legitimate uses.

d/

--
Dave Crocker
Brandenburg InternetWorking
bbiw.net

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