• The users must wait for an hour and check if the issue gets resolved on its own.
• The users can also try an reset the password of their email account.
• If you sense that your email account has been hacked, then the users can learn more about the security procedure that needs to be followed.
If these steps do not help in solving the issue which the user is facing, then the only option that would be left with the user is to contact At&t customer service number. By connecting with this service, the users would get professional assistance in solving the issue which they are facing.
More Info:- At&t Support number