Does Fastmail support an authenticator app?

Yes. Fastmail supports time-based one-time passwords (TOTP), so you can add your Fastmail account to Authenticator ℠ App and generate verification codes on your device — no SMS required.

What two-factor authentication methods does Fastmail support?

Fastmail supports SMS, Authenticator app (TOTP), Custom hardware token, Hardware key (U2F) for two-factor authentication.

Is Fastmail 2FA free with Authenticator ℠ App?

Yes. Authenticator ℠ App is free to download and use for generating Fastmail verification codes, with no sign-up required.

Authenticator ℠ App for Fastmail

fastmail.com ↗

How to set up Fastmail 2FA, connect Authenticator ℠ App, and use verification codes when signing in.

Protect your Fastmail account with two-factor authentication (2FA) using Authenticator ℠ App. By enabling 2FA, you'll add an extra layer of security that helps prevent unauthorized access and keeps your account safer.

Two-factor authentication methods supported by Fastmail

SMS
Authenticator app (TOTP)
Custom hardware token
Hardware key (U2F)

Fastmail supports time-based one-time passwords (TOTP), so you can generate Fastmail verification codes directly in Authenticator ℠ App instead of waiting for an SMS.

Good to know about Fastmail 2FA

Setup requires SMS verification.

Fastmail 2FA details

Official setup guide: Fastmail’s official 2FA documentation ↗
Category: Email

Sign In with Authenticator ℠ App & Enable 2FA for Fastmail

Simply download and open the Authenticator ℠ App, find your Fastmail account, and enter the current verification code when prompted. After enabling 2FA, you'll need both your password and a temporary authentication code when signing in. Click on the button below Download on the App Store or scan the QR Code.

Get the Authenticator ℠ App

Scan the QR codes from Fastmail and generate secure one-time codes.

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Fastmail 2FA — Frequently asked questions

Does Fastmail support an authenticator app?: Yes. Fastmail supports time-based one-time passwords (TOTP), so you can add your Fastmail account to Authenticator ℠ App and generate verification codes on your device — no SMS required.
What two-factor authentication methods does Fastmail support?: Fastmail supports SMS, Authenticator app (TOTP), Custom hardware token, Hardware key (U2F) for two-factor authentication.
Is Fastmail 2FA free with Authenticator ℠ App?: Yes. Authenticator ℠ App is free to download and use for generating Fastmail verification codes, with no sign-up required.

Disclaimer

This content is for educational purposes only.

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