Below are the POP3 incoming and SMTP outgoing mail servers and the News server for AT&T a popular Internet Service Provider.
POP3 SMTP Mail News Servers for AT&T Internet Service Provider
AT&T Worldnet incoming mail server: postoffice.worldnet.att.net AT&T Worldnet outgoing mail server: mailhost.worldnet.att.net
AT&T Worldnet news servers: Dial-in: netnews.att.net or netnews.worldnet.att.net High Speed: inetnews.worldnet.att.net
