Is your SBCGlobal email not able to send and receive an email? If yes, then you need to check the reason why the error occurs in the first place. It can be either due to poor internet connectivity or due to incorrect SMTP or POP setting. Even sometimes, the various malicious programs are responsible for the occurrence of this error. You can resolve these issues on your own but if you have trouble while resolving it, then take the help from the experts of SBCGlobal customer support number.