c.Email: Secure Email

Encrypted email that works with your existing address. End-to-end encryption, verified senders, and face unlock for your most sensitive emails.

c.Email lets you send authenticated, end-to-end encrypted emails from your existing address. It works instantly with providers like Gmail and Outlook – no new account required.

Get started in minutes to protect your emails from surveillance, scams, and impersonation. Key features include:

END-TO-END ENCRYPTION Post-quantum secure encryption keeps your emails private.
Emails only encrypted and decrypted on-device, never on servers.

AUTHENTICATED EMAILS Verified sending guarantees you know who a message is from. Emails show the sender’s real name, verified with cryptographic proofs after a one-time onboarding process.

FACE UNLOCK FOR MAXIMUM SECURITY Our For Your Eyes Only setting means emails are only decrypted when the intended recipient is looking at the screen. For Your Eyes Only emails are protected against screenshots and screen recording.

WORKS WITH YOUR CURRENT EMAIL ADDRESS Get started in minutes with your existing email address. No migration process or technical knowledge required.

DATA PRIVACY BY DESIGN Identity proofs work through cryptography, not centralised data storage. Your personal data is only ever stored on your device.

With c.Email, you can:

• Protect your emails from surveillance and hackers.
• Combat scams and impersonation with verified sending.
• Safeguard your most important emails with proprietary face unlock technology.
• Use the same email you always have – no need to leave it behind.
• Sync the app with our browser extension to use c.Email wherever you are.
• Keep your email account safe with biometric authentication.

Combining advanced cryptography with real-world identity verification, c.Email exists because privacy, safety, and convenience shouldn’t be mutually exclusive. Download now to keep the inbox you already know and add the protection it should always have had.