Open ATT Forgot password page and select Password. Enter your full AT&T email address and your last name to very your account, and click on Continue. Next step for how to retrieve BellSouth.net email is to answer security questions. You will see a drop-down menu where you will have to select Ill answer my security questions. Now, answer your security questions that you have previously set for your account. Select Continue after answering all questions. Now, follow the on-screen instructions to create a new password.