What is an OTP authentication app & why do I need it for 2FA?
Two-factor authentication (2FA) is about boosting your inbox security by adding a second verification step to your email login process. And this second factor is a six-digit security code that you not only use to activate two-factor authentication, but also to log in once 2FA has been set up. This security code is also called an “OTP,” and it’s generated by an app that you install on your smartphone.
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