Att Email Settings for Thunderbird

Step Wise Manual Att mail settings for thunderbird

If you don't have a Att mail address.
you can create an email id from here then you can Att email login.

• Open Thunderbird Software App. Click on Email
  
  
• When you click on the email, pop-up Set UP an Existing Account Screen.
  Enter Your name, Att Email address and Password then press Continue.
  
  
• Click on the Manual config menu at bottom.
  
  
• Enter Below Att incoming server settings.
  In incoming click on the dropdown menu and select IMAP.
  Add server host : imap.mail.att.net
  Port: 993
  select SSL/TLS
  
• Enter Below Att outgoing server settings.
  In outgoing select SMTP.
  Add server host : smtp.mail.att.net
  Port: 465
  select SSL/TLS
  
  
• Tap on Done. Now you are ready to use your Att email account on your Thunderbird.