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Encryption

Mail is protected in transit with TLS. Advanced users can use PGP or S/MIME where supported by their clients.

Passwords

Use long unique passwords, avoid reuse, and rotate credentials after any suspected compromise.

Two-Factor Authentication

Enable two-factor authentication to protect sign-ins and sensitive account actions.

Spam and Phishing

Use spam controls, block and allow lists, suspicious-message reporting, and security activity logs.