> -----Original Message----- > From: John R. Levine [mailto:[email protected]] > Sent: Monday, September 27, 2010 8:06 PM > To: Murray S. Kucherawy > Cc: DKIM List > Subject: Re: [ietf-dkim] Corner cases and loose ends, was , draft- > vesely-dkim-joint-sigs > > > That no workable envelope-level DKIM equivalent has materialized to > date > > is unfortunate. > > Not for lack of trying, but I just don't see how you could prevent bad > guys from replaying good envelopes on bad mail.
Yeah. Short-lived keys is the best thing I can come up with. Do you think it's worth a shot? _______________________________________________ NOTE WELL: This list operates according to http://mipassoc.org/dkim/ietf-list-rules.html
