SBCGlobal error 550 is an error message
which is displayed when the user is not able to send emails due to a wrong
email recipient. The steps that the users would have to follow are as given
The users would have to ensure that they are
entering the correct email address of the recipient. It is advised that the
users check spellings or any other numerical error which might have
If there is an authentication error, then you
would have to configure the SMTP settings. You will not have to worry if you
are using email clients such as Outlook or Live Mail.
If the users face any issue while solving
the issue using the steps given, then they would have the option of connecting
with sbcglobal Tech Support Number. This service is
accessible on a 24-hour basis, and it completely free of charge.
more:- sbcglobal Customer Support Phone