Use these steps to set up your email for the first time or on a new computer. In Outlook, select File > Add Account. Choose Manual setup or additional server types. Select Pop or IMAP. Complete your User Information: Enter your name as you want it to display to others. Enter your full AT&T email address. Complete the Server Information: Account Type - Select IMAP or POP3. Incoming mail server - Enter imap.mail.att.net (IMAP) or inbound.att.net (POP3). Outgoing mail server - Enter smtp.mail.att.net (IMAP) or outbound.att.net (POP3). Complete the Logon Information: User Name - Enter your full email address. Password - Enter or paste your secure mail key. Check Remember password and Require logon using Secure Password Authentication. Select More Settings. Complete Outgoing Server info: Check My outgoing server (SMTP) requires authentication. Select Use same settings as my incoming mail server. Complete Advanced info: Incoming server - Enter 993 (IMAP) or 995 (POP3). Use the following type of encrypted connection - Choose SSL. Outgoing server - Enter 465 (IMAP and POP3). Use the following type of encrypted connection - Choose SSL. Select OK and then Next. Outlook will test your account info. If everything passes, select Finish.