> OK. If this is just an assumption and not backed by evidence, I would > suspect that outside of the web you see a lot less use of the big CAs. Probably true. And since DKIM has no provision for authorities at all, it definitely doesn't use them. So remind me, what is the problem with DKIM that we're all supposed to be worried about? Regards, John Levine, johnl@xxxxxxxx, Primary Perpetrator of "The Internet for Dummies", Information Superhighwayman wanna-be, http://www.johnlevine.com, Mayor "A book is a sneeze." - E.B. White, on the writing of Charlotte's Web _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf