ProtonMail
ProtonMail is an easy to use, secure email service with built in end-to-end encryption. Enable strong 2FA for your ProtonMail account with the Yubico Authenticator and the YubiKey.
YubiKey 5Ci (USB-C)
YubiKey 5 NFC
YubiKey 5C
YubiKey 5 Nano
YubiKey 5C Nano
Security Key Unsupported
Security Key NFC Unsupported
Instructions
Get help
Identify Your YubiKey
Compatible Legacy YubiKeys
YubiKey 4
YubiKey 4 Nano
YubiKey 4C
YubiKey 4C Nano
YubiKey NEO
YubiKey Edge
YubiKey Edge-n
YubiKey NEO-n
Categories
Communication
Product Overview
ProtonMail is secure email client that provides end-to-end encryption and allows users to protect their privacy and data. ProtonMail supports OTP – TOTP with the Yubico Authenticator, enabling it to work with the YubiKey. The Yubico Authenticator works as a hardware-backed alternative to Google Authenticator and other time-based authenticator apps.
Security protocol support
One Time Password – TOTP
Platform support
Microsoft Windows
Linux
macOS
Android
Browser support
Google Chrome (most recent 2 versions)
Opera (most recent 2 versions)
Mozilla Firefox (most recent 2 versions)
Internet Explorer (most recent 2 versions)
Microsoft Edge (most recent 2 versions)
Safari (most recent 2 versions)
