I&#x27;m really surprised this could be NSA-Proofed without the use of true end-to-end encryption tech.
There is no mention of PGP for instance.<p>Using PGP (with a locally stored private key) is one of the best option I&#x27;m aware of to secure emails and continue to use email cloud clients like gmail or yahoo.<p>The only caveat is that you loose search which is one of the requirements in the article.