Account Type:- IMAP imap.mail.att.net is the incoming mail server. SSL is required, and the port number is 993. SMTP.mail.att.net is the outgoing mail server. SSL Required: Yes Port Number: 465 or 587 
 Account Type:- POP inbound.att.net is the incoming mail server. SSL is required, and the port number is 995. outbound.att.net is the outgoing mail server. SSL Required: Yes 
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