Is att net email pop3 or imap

about ATT settings for Outlook.com. ATT Settings For Microsoft Outlook For MS Outlook 2016 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). Logon Information User Name – ................
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