Error, ERROR_CODE :553, ERROR_CODE :#5.1.8 Domain of sender address

Error, ERROR_CODE :553, ERROR_CODE :#5.1.8 Domain of sender address

Hello,

I'm using zoho since 9 months and everything was perfect.

Since two days, I'm getting the following problem when I try to send an email:

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This message was created automatically by mail delivery software.

 A message that you sent could not be delivered to one or more of its recipients. This is a permanent error.

 

stephaniem.blanchet@bnpparibas.com Error, ERROR_CODE :553, ERROR_CODE :#5.1.8 Domain of sender address <aassalih@creativerh.ma> does not exist jamal.idrissiqaitouni@bnpparibas.com Error, ERROR_CODE :553, ERROR_CODE :#5.1.8 Domain of sender address <aassalih@creativerh.ma> does not exist

 

 

 Received:from CrativeRH (105.157.51.213 [105.157.51.213]) by mx.zohomail.com

                with SMTPS id 1393838832820825.2802915987608; Mon, 3 Mar 2014 01:27:12 -0800 (PST)  Message-ID:<!&!AAAAAAAAAAAYAAAAAAAAAGFoOrDP0FpHmlbblC3oNw/CgAAAEAAAAO99flOjmaBJn6YG/Y6vqo4BAAAAAA==@creativerh.ma>

 Date:Mon, 3 Mar 2014 09:27:08 -0000

 From:"Ahmed ASSALIH" <aassalih@creativerh.ma>  To:<jamal.idrissiqaitouni@bnpparibas.com>

 Cc:<stephaniem.blanchet@bnpparibas.com>

 Subject:RE: Tr :  Inscription à la Formation Business Intelligence RH - Indicateurs de performance  Content-Type:multipart/alternative;

                boundary="----=_NextPart_000_00A5_01CF36C2.C197A550"

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Do you have an idea pls?

Ahmed