On Sep 9, 2013, at 5:36 PM, John Levine <johnl@xxxxxxxxx> wrote: > Sounds like we're on our way to reinventing S/MIME. Other than the > key signing and distribution (which I agree is a major can of worms) > it works remarkably well. Right. That's the reason I don't use it. Completely naively, may I ask why we never folded PGP support into S/MIME? Or did we, and nobody implemented it?