troubleshooting Question

5.0.0 smtp; 550 #5.1.0 Address rejected

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claudiamcse asked on
ExchangeActive DirectoryMicrosoft Server OS
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I am getting this error below: Please advice:

Diagnostic information for administrators: Generating server: server-17.bemta-12.messagelabs.com domain@domain.com tmxmailsmtp.domain.com #<tmxmailsmtp.telmex.com #5.0.0 smtp; 550 #5.1.0 Address rejected.> #SMTP# Original message headers
ASKER CERTIFIED SOLUTION
Ernie Beek
Senior infrastructure engineer
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