Proton Mail vs Tuta: Whistleblower Metadata 2026

If you are weighing Proton Mail vs Tuta for whistleblower metadata protection 2026, here is the short version. Tuta encrypts your subject lines, address book, and calendar by default, while Proton Mail leaves subject lines readable because it follows the OpenPGP standard. For a source trying to stay invisible, that single difference matters more than … Read more