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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 below:

• 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 occurred.
• 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 Customer Care Number. This service is accessible on a 24-hour basis, and it completely free of charge.

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