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5.0.0 smtp; 550 #5.1.0 Address rejected.> #SMTP#

Posted on 2013-11-25
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Last Modified: 2013-12-09
I am getting this error. Please advice.
THank you

Diagnostic information for administrators:

Generating server: server-9.bemta-12.messagelabs.com

jquinter@telmex.com
tmxmailsmtp.telmex.com #<tmxmailsmtp.telmex.com #5.0.0 smtp; 550 #5.1.0 Address rejected.> #SMTP#

Original message headers:
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Question by:claudiamcse
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Sean earned 500 total points
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we will need more information...looks like server-9.bemta-12.messagelabs.com is blocking the message because it is not a valid sender but what are you trying to do here???
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by:claudiamcse
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Trying to fix the issue with that NDR. Users getting NDR mentioned when trying to send to that email address
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