The simplest services are often the most popular in this world. And the Yahoo mail login is the perfect example of this statement. Yahoo sign-in process requires users to enter only two simple things one is Yahoo email id and password. In case you have enabled the Yahoo 2 Factor Authentication then you don’t need to enter the password. Just to be more clear, you will receive a secret login code from Yahoo on your phone and only after entering that code, you will allow access to your Yahoo mail account. This is the biggest benefit of the enabling Yahoo 2FA.