Encrypted email for individuals who want a private inbox by default, with zero-access storage so only the account holder can read their mail.
Tracking pixel blocking and IP address hiding in the web app
Machine-learning detection of attacks targeting accounts
SPF, DKIM and DMARC support for custom domains
Categories: Email Security
Custom filters (1 on Free, unlimited on Mail Plus and Proton Unlimited)
Automatic sorting of incoming mail into inbox categories
Auto-delete of spam and trash on paid plans
Categories: Email Security
End-to-end encryption between Proton Mail users
Password-protected emails to recipients on other providers
Built-in PGP with automatic encryption using recipient public keys
Zero-access encryption of stored messages and attachments
SMTP TLS with DANE and MTA-STS for mail to external providers
Categories: Email Security
PhishGuard flags potentially spoofed Proton Mail sender addresses in the inbox
Link protection shows the full URL and asks for confirmation before opening a link on web, iOS and Android
Blocks known phishing attempts and alerts on suspicious emails
Categories: Email Security
Email attachments encrypted end-to-end between Proton Mail users and via password-protected emails
Stored attachments protected with zero-access encryption
Categories: Encryption
Two-factor authentication on all Proton accounts
Hardware security keys (YubiKey and other U2F/FIDO2 keys)
PIN and biometric app lock on Android and AppKey protection on iOS
Categories: Encryption
Zero-access encryption of stored messages, including mail from other providers
Own server hardware in Switzerland with fully encrypted disks
Categories: Encryption
One-time passcodes from an authenticator app
Hardware security keys via U2F/FIDO2
Categories: Encryption
Encryption keys managed by Proton behind the scenes
Key Transparency checks of contacts' public keys
Web Key Directory lookup of external PGP keys
Categories: Encryption
Proton Pass included in every plan: unlimited logins, notes, credit cards and devices
2 vaults on Free and Mail Plus, 50 vaults on Proton Unlimited
Categories: Encryption
Sign-in protected by 2FA with authenticator app or security key
Proton Sentinel 24/7 account monitoring on Proton Unlimited
Alternative routing and Tor onion access when connections are blocked
Categories: Encryption
Free
1
1
150
USD 3.99 / flat fee / month
Billed annually
USD 4.99 / flat fee / month
Billed monthly
15
10
1
USD 9.99 / flat fee / month
Billed annually
USD 12.99 / flat fee / month
Billed monthly
500
15
3
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