You have to go through some really easy steps to login into the AT&T email service. Here we give you some easy tips to login AT&T email service:

Step 1. The first step is to go through ATT Email Login page via this https://currently.att.yahoo.com/ link.
Step 3. After clicking the on myAT&T option, a login page will open in front of your screen.
Step 4. The next step is to enter your User Id and Password.

Thereafter click on the sign-in button. You are ready to browse your Id.

Also Here: Windstream Email Login Guide