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The Two-Factor Authenticationalso known as two-factor authentication, increases the security of your account through an additional level of security. To log in, enter your password and a code that will be sent to your smartphone.
In 1&1 IONOS, open the Set up 2-factor authentication page.
If necessary, enter your password again under Protected Area and click on Confirm.
On the following page, click Set up 2-factor authentication.
Scan the QR code with the FreeOTP app.
On the 2 Factor Authentication page, click Confirm.
Enter the 6-digit code from FreeOTP in the Enter Code box and click Confirm.
Important:Make a note of the recovery code and keep it in a safe place.
If you don't have your phone handy, you can access the 1&1 IONOS or the Contract Service with this recovery code. However, this requires a subsequent re-installation of the Two-Factor Authentication. Learn more about
They've Two-Factor Authentication successfully activated it.