Self-signed X.509 certificates would have done more for the cause of "secure email" Uh, nope, nope, nope. You can't even revoke those things AFAIK. Also I'm no

Self-signed X.509 certificates would have done more for the cause of "secure email" Uh, nope, nope, nope. You can't even revoke those things AFAIK. Also I'm not sure how those are any easier than using PGP.