> According to them their users prefer easy cloud access to their messages over security. And likewise with e-mail, PGP et al. break some features that rely on

> According to them their users prefer easy cloud access to their messages over security. And likewise with e-mail, PGP et al. break some features that rely on your mail server having access to the full message contents, like content-based message filtering (spam or otherwise) and server-side search.