For people comparing secure email providers without phone number, Tuta is our first pick: its published signup policy explicitly allows registration without a mobile number. Proton Mail is the runner-up, especially for desktop email compatibility, but its anti-abuse checks can require additional verification. Tuta Free is the budget pick if you need a personal inbox without paying. The deciding distinction is Tuta’s phone-free registration policy versus Proton’s conditional verification options.
Best secure email providers without a phone number
These recommendations address everyday account privacy, ad-tech exposure and unwanted access. Capability claims are vendor-sourced; audit evidence is identified separately.
Tuta: Choose it when withholding your number is essential. Messages between Tuta users are automatically end-to-end encrypted (E2EE), including subjects and attachments. External recipients can use password-protected messages. Sender and recipient addresses remain visible to the service. Tuta’s encryption documentation explains those boundaries.
Proton Mail: Choose it if compatibility matters. Mail Plus supports desktop clients through Proton Mail Bridge. That can justify paying when you already depend on an existing mail application. See the plan documentation.
Tuta Free: Start here for a smaller personal mailbox. Its free plan includes 1 GB and two-factor authentication. Upgrading buys capacity and features; you do not need a subscription to enable encryption.
Threat models served
- You want fewer identifiers connected to your inbox. Winner: Tuta. Its phone-free signup removes the need to provide that identifier. Choose a username you have not already made public if separation matters. This recommendation follows its registration policy, not a promise of anonymity.
- Your ex knows an old password or can access your iCloud account. Winner: Proton with independently secured recovery. Use a unique password and authenticator or FIDO2 security-key authentication. Keep recovery material outside shared cloud accounts. Tuta also fits, but neither provider fixes an unlocked device someone else controls.
- Your ISP or someone on public Wi-Fi watches your connection. Winner: either provider over HTTPS. HTTPS protects content; destinations and timing can remain visible. Paying for email does not remove that metadata. EFF explains the distinction. For related network risks, follow sister site Tech Sentinel’s cybersecurity coverage.
Pricing
Prices checked September 6, 2026. These are published euro rates, without currency conversion; check your checkout currency and final total.
| Plan | Monthly billing | Annual billing |
|---|---|---|
| Tuta Free | Free | Free |
| Tuta Revolutionary | EUR 3.60/month | EUR 3/month equivalent, paid yearly |
| Proton Free | Free | Free |
| Proton Mail Plus | EUR 4.99/month | EUR 47.88/year, equivalent to EUR 3.99/month |
Sources: Tuta’s published rates and Proton’s plan guide.
Tuta provides a 14-day consumer withdrawal period in its terms. Proton offers a 30-day initial-purchase refund window: both cancellation and the refund request must arrive within it. Cash and bank-transfer payments are excluded, and third-party purchases follow that seller’s policy. Read Proton’s refund terms before paying.
Your first ten minutes with Tuta
Use this path if phone-free signup is your priority. Setup reference: Tuta desktop 357.260901.0, listed in the vendor’s release notes; the desktop app is now named Tuta. Instructions follow vendor documentation. Allow extra time if account approval is required.
- Open Tuta’s pricing page, choose Free or Revolutionary, and follow the official signup link.
- Choose your username and a unique password. Save the recovery code somewhere accessible without signing into this mailbox, following the signup guidance.
- Install the desktop app using the download links on Tuta’s official site and sign in. Our Tuta setup guide covers the rest of the first-run configuration.
- In Settings > Login, add a U2F security key or authenticator-generated TOTP codes. Record the recovery code before relying on the second factor. Follow Tuta’s authentication instructions.
- Keep your existing session open and sign in through a separate browser session. Confirm the second-factor prompt works before migrating important accounts.
How to verify each claim
Verify signup and recovery. Inspect the actual registration form and saved recovery settings. With Proton, choose CAPTCHA or email verification if offered. If neither meets your requirements, use Tuta or contact Proton support through its verification guide. Do not assume every signup receives identical options.
Verify it worked. Send a harmless password-protected message to another inbox you control. Open the notification link in a signed-out browser: the message should require its separate password. Reply and confirm delivery. This checks the intended workflow, not the underlying cryptography. Compare Tuta’s encryption explanation with Proton’s encryption boundaries.
Verify independent audits. Open Proton’s audit index and select Mail web or desktop. Check dates, scope and remediation. Its Securitum announcement dates to 2021; that announcement alone does not establish today’s app security. A VPN audit cannot establish Mail’s behavior. Tuta’s documentation cited here is not independent audit evidence.
Verify jurisdiction and disclosure. Read Tuta’s German transparency report and warrant canary and Proton’s Swiss transparency report, specifically its Mail section. Look for the reporting period, data categories and lawful-disclosure limits. Neither jurisdiction guarantees anonymity.
Check network privacy separately, if you use a VPN. Compare DNS Leak Test, IPLeak’s IPv6 results and BrowserLeaks WebRTC before and after connecting. Investigate unexpected ISP resolvers or your normal public IP appearing afterward. For the kill switch, switch networks while loading a harmless page: traffic should remain blocked until the tunnel reconnects. These checks concern your connection, not email encryption.
The catch
Tuta: Free registrations can face a 48-hour approval delay, according to its signup policy. Free accounts are deleted after more than six months without login, per account support. Set a reminder if this is a backup inbox.
Proton: Phone-free signup is conditional. For verification, Proton says it retains a cryptographic hash of the supplied identifier. Its policy explains that distinction. Also, ordinary messages to external providers are not automatically E2EE, and subjects are not end-to-end encrypted. Use password-protected delivery for sensitive correspondence.
Both: Recovery deserves as much attention as signup. Proton’s recovery phrase can restore account access and encrypted data. With Tuta two-factor authentication, losing a factor requires the appropriate remaining credentials and recovery code. Follow its recovery instructions before entrusting the inbox with password resets.
