Two Factor Authentication (2FA) is available for ALTERNmail. This knowledge base entry aims to inform customers about the Time-based One Time Password (TOTP) applications that are validated to work with ALTERNmail's 2FA feature.
ALTERNmail Two Factor Authentication implements the algorithm specified in RFC 6238, so any app implementing this algorithm should work.
Tested Applications
The following applications have been validated with ALTERNmail's two-factor authentication. Platforms that were tested are shown as "Validated", while additional platforms that were not testeds are "Available".
| Application | iOS | Android | Windows | MacOS |
|---|---|---|---|---|
| Google Authenticator | Validated | Validated | n/a | n/a |
| Microsoft Authenticator | Available | Available | Validated | n/a |
| Authy | Validated | Validated | Validated | Available |
| Red Hat FreeOTP | Validated | Validated | n/a | n/a |
| Yubico | Available | Available | Validated | Available |
| Oracle Mobile Authenticator | Validated | Validated | n/a | n/a |