If you want to access your Sbcglobal.net email account with A&T on your PC or Laptop, Try IMAP and SMTP settings or Sbcglobal.net email settings:
Login to AT&T Email Account
Go to Apps
Settings
Manage Account
Add Account
Input username and password correctly
If you are unsuccessful in setup your account in above steps. Follow manually steps to adding username and password and then click "Manual Setup" options.
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