AT&T Internet Customers

Click Here for help with AT&T Internet and Email Services:

AT&T Residential customers

AT&T blocks port 25 for its residential customers using the following mail servers and you must send mail out through AT&T's servers.  (ameritech.net / att.net / bellsouth.net / flash.net / nvbell.net / packbell.net / prodigy.net / sbcglobal.net / snet.net / swbell.net / wans.net / wans.net / worldnet.att.net).

AT&T Business Customers

Business customers do not have any ports blocked on their service. AT&T recomends your outgoing server be set to host.isp.att.net / using Port 465

Contact AT&T Tech Support directly:

Customer Assistant Tech. Support for High Speed Internet Services 
Technical Support Center
Office: 318-673-2871
Fax: 318-670-5010
Email: cb6614@att.com