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Re: DMARC and ietf.org

2014-07-22 16:16:12
an IETF draft, these lists were changed to not modify the message body
or subject line in any way (no footers and no subject tags).

That's one of the workarounds discussed in the wiki here:

http://wiki.asrg.sp.am/wiki/Mitigating_DMARC_damage_to_third_party_mail

Any change to existing practice will have some bad effects.  If a list
has been adding subject tags, and it stops adding them, people who
sort on subject tags will lose.  If it rewrites the From: line to put
in the list address, people who pick messages to read based on who
wrote them will lose, and it breaks S/MIME signatures.  And so forth.
See wiki for details.

Short of some DKIM-bis that allows for trusted forwarders to sign
messages in a way that DMARC recipients will accept (which we're
working on but don't hold your breath) there's no good solution to
this, only less bad solutions.

R's,
John

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