PGP alone is no longer sufficient to talk about encryption in emails. The real step up is autocrypt (https://autocrypt.org/ https://autocrypt.org/) that encrypt

PGP alone is no longer sufficient to talk about encryption in emails. The real step up is autocrypt (https://autocrypt.org/ https://autocrypt.org/) that encrypts almost everything. Unfortunately the way email works it is still possible to know who is talking to who.