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We receive this error message when trying to email a specific vendor. I would like to be able <br />
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The following recipient(s) cannot be reached:<br />
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&nbsp; &nbsp; &nbsp; duprat@lot-oriel.fr on 29/06/2009 14:57<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; You do not have permission to send to this recipient. &nbsp;For assistance, contact your system administrator.<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;server.ourcompanydomain #5.7.1 smtp;550 5.7.1 &lt;server.ourcompanydomain&gt;:<wbr /> Helo command rejected: Host not found&gt;<br />
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I know I should run a dns report...i'm not sure what i'm specifically looking for in their report or in ours.
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We receive this error message when trying to email a specific vendor. I would like to be able 

The following recipient(s) cannot be reached:

      duprat@lot-oriel.fr on 29/06/2009 14:57
            You do not have permission to send to this recipient.  For assistance, contact your system administrator.
            <server.ourcompanydomain #5.7.1 smtp;550 5.7.1 <server.ourcompanydomain>: Helo command rejected: Host not found>



I know I should run a dns report...i'm not sure what i'm specifically looking for in their report or in ours.

command rejected: Host not found

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.