>A protocol Running email protocols over TLS isn’t an improvement to the protocol, it’s tunneling. PGP isn’t an improvement to the protocol, it’s encapsulating

>A protocol Running email protocols over TLS isn’t an improvement to the protocol, it’s tunneling. PGP isn’t an improvement to the protocol, it’s encapsulating data in another protocol/format. Your comment proves he point; email has evolved so slow we’re running it through tunnels and embedding PGP encryption to overcome the weaknesses that the protocol has not been able to fix.