[ietf-dkim] Resigner Support of RFC 5617 (ADSP)
wietse at porcupine.org
Mon Oct 12 07:04:17 PDT 2009
> If this is indeed the official semantics of the protocol, then I would
> petition to add a "dkim=except-mlist" policy. Which means "I sign
> everything that leaves my bailiwick, but may post to signature-breaking
Are you going to announce all your users mailing list subscriptions
in the policy record? If you do, that could be a privacy problem.
If you don't, then the spammer can add any mailing list header to
the message, and they can drive their truck through this hole.
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