SBCGlobal is one of the leading telecom organizations, which is considered as the association of AT&T Inc. At present, SBC Global email is a free online-based email service that is offered to each and every user of AT&T. In fact, this is also an association service with Yahoo! where every user can utilize their Yahoo email ID for AT&T or SBC email account.
You can find this at Yahoos login verification page where you will have to enter your all SBCGlobal.net email login credentials. You will have to enter your AT&T or SBCGlobal email login id and your password and then click on the Enter button on your keyboard or just tap the sign-in button.