If you wish to access its platform to fix Sbcglobal email problems, then you are required here to navigate Yahoo’s Att.net login page on your device. Now, you are asked to go to att.net and find the login link. Next, you are asked to enter the email address of AT&T ID and its password as well.
https://www.experts-support.com/blog/sbcglobal-email-not-working