I'm not talking end to end encryption, but server-to-server encryption. STARTTLS is still vulnerable to downgrade attacks, as 9% of outgoing mail from Gmail ser

I'm not talking end to end encryption, but server-to-server encryption. STARTTLS is still vulnerable to downgrade attacks, as 9% of outgoing mail from Gmail servers still ends up being sent unencrypted. https://transparencyreport.google.com/safer-email/overview?hl=en https://transparencyreport.google.com/safer-email/overview?h...