Safer Internet: Email: Anonymity, Encryption

Summary |
References: General | iOS | macOS | PGP | ProtonMail


Summary

  • If content and/or sender/receiver are extremely sensitive, additional measures may be desired beyond encryption during transit of message and attachments via HTTPS:.
  • [2] Send files encrypted separately via email but transmit key via non-email-- see Encryption section, e.g., 7-zip
  • Transfer via cloud or other sharing method -- see Share Files Privately
  • [3] Encrypt email messages using PGP or S/MIME (requires certificate) -- or other services, e.g., Lavabit
  • iOS: Settings > Accounts & Passwords > Account > Advanced > S/MIME
  • [3] Send email anonymously, e.g., specialized providers
  • [3] Use self-destructing email -- never stored on recipient's system

References

iOS

macOS

PGP

ProtonMail