On Wed, Nov 16, 2016 at 10:59 AM, Terry Zink
<tzink(_at_)exchange(_dot_)microsoft(_dot_)com>
wrote:
Large email receivers forward tons of email. This proposal causes email
from DMARC-passing messages to be incapable of forwarding. As a large email
receiver who gets tons of complaints about breakage of DKIM signatures on
forwarded messages which causes DMARC failures [1], this proposal is not
all that appealing.
Version 01 is purely incremental, meaning you can just ignore the new tags
if you're more worried about breakage of forwarding than the attack it's
trying to address.
-MSK
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