SBCGlobal is a free e-mail service supplied to every AT&T user and it could even be accessed with Yahoo mail. So now if you want “SBCGlobal Net Email Login”, you will be redirected in the direction of the Yahoo mail att.Net page. This is because SBCGlobal is part of Att.Net this is reachable thru Yahoo as a result of the partnership among the two (ATT and Yahoo).