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Proton · Product

Proton Mail

End-to-end encrypted email, made in Switzerland.

Proton Mail is the world's largest encrypted email service. Messages between Proton users are end-to-end encrypted by default, and external mail can be sent password-protected. Custom domains, aliases and unlimited folders make it a real Gmail alternative — not just a novelty.

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Features
🔐

End-to-end encryption

Proton cannot read your inbox — encryption keys are derived from your password.

🌍

Custom domains

Use @yourbrand.com with encrypted delivery to Proton addresses.

🎭

Aliases via SimpleLogin

Unlimited email aliases for signups, sales pages and burner accounts.

📅

Encrypted Calendar

Meeting titles, notes and attendees stay private — even from Proton.

Use cases
  • Escape Gmail without losing custom-domain email
  • Send legally sensitive documents encrypted end-to-end
  • Run an entire business inbox with alias-per-vendor hygiene
Tutorials

Migrate a Gmail inbox to Proton in one evening

Import, alias-forward and switch DNS without losing any mail history.

  1. Enable Easy Switch inside Proton Mail and connect Gmail via OAuth.
  2. Import mail, contacts and calendar — expect 1–4 hours for a full history.
  3. Set a Gmail forwarder to your Proton address as a safety net.
  4. Add your custom domain and update MX/SPF/DKIM records at your DNS host.
  5. Move outbound sending to Proton and archive the Gmail inbox.
Comparisons
Proton MailvsGmail
Read comparison →
FAQs
Can I use Proton Mail with Outlook or Apple Mail?+

Yes — Proton Bridge exposes an IMAP/SMTP interface that keeps encryption intact.

Resources