John Levine writes:
> I would be surprised if AOL were doing DMARC checks on Reply-To,
> and agree that it's not a problem worth solving.
I wouldn't. As you know, John, we (dm...@ietf.org) are all expecting
the spammers to emulate these DMARC mitigation various tricks. If
they have any success, I would expect folks like AOL to do "something,
anything!" to mitigate *their* problem.
However, looking at the error message and noting Mark's testimony that
AOL accepts the message on behalf of every AOL recipient except
the original poster.
I guess that RLY:SN means "relay: screen name", and AOL is filtering
out "spam to self", an ancient trick to get past filters.
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