What happened to my SBCGlobal net email address? dgfdshfdh

https://connect.mayoclinic.org/discussion/1833-8341025-what-happened-to-my-sbcglobal-net-email-address/https://connect.mayoclinic.org/discussion/1833-8341025-what-happened-to-my-sbcglobal-net-email-address/