SBCGlobal mail is the web based email service endowed by SBC. Adding account requires a procedure to be followed and call for different settings. Check on to settings as well to verify that you are using the appropriate settings. Here we have compiled the steps to add the account in your Mac device. Following are the steps you need to follow when SBCGlobal Not Working on Mac . In case there encounters any issue call technicians over SBCGlobal Toll Free Phone Number +1888 405 (9844). In case the user still encounters any issue with the account contact SBCGlobal Technical Support team.