On 05/14/2014 01:24 PM, Barry S. Finkel wrote:
> 
> Is this also true?
> 
> Users from DMARC-reject domains send mail to mailing lists, and the
> resulting mail from the mailing list is rejected.  Enough rejections
> can cause the mailing list possibly to be blacklisted for sending lots
> of "spam" mail.


We don't know, and can't know until Mailman servers start getting
blacklisted for this reason.

Actually, From: domains can request reports even if DMARC p=none. It is
unclear what might be done with these reports, but given what some
domains have done with DMARC already, I for one would not be surprised
if this information was used to color the reputation of the sending server.

Note that currently, Yahoo.com only requests aggregate reports which *I
think* do not identify the sending server, but AOL.com requests failure
reports as well which are intended to identify servers and actual senders.

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