AT&T is one of the best and largest American based Telecommunication Company which offers the telephone as well as internet services. By offering the intranet services, the company also launched its email services by merging with Yahoo. The users could now create att.net email account by configuring it with Yahoo and navigating to att.yahoo.com/mail. The account owners who have availed the services of U-verse TV, dial-up services or AT&T Internet DSL, can procure the email address. You can get further information at the ATT email customer service.