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When i send and email to a few domains i get a rejection as per below<br />
--------------------------<wbr />----------<wbr />----------<wbr />----------<wbr />----<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;ntbm.NTBM.local #5.7.1 smtp;554 5.7.1 Rejected 202.52.41.155 is a dynamic IP&gt;<br />
--------------------------<wbr />----------<wbr />----------<wbr />----------<wbr />----<br />
when i do a search on <a href="http://www.dnsstuff.com" rel="ugc">www.dnsstuff.com</a>&nbsp;i get a different IP address for optusnet.com.au<br />
if i ping it from my local machine i get correct resolution to 211.29.132.105<br />
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i have full administrative privalages on the server so i do not believe it is permission based.<br />
Any help appreceiated.<br />

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When i send and email to a few domains i get a rejection as per below
------------------------------------------------------------
            You do not have permission to send to this recipient.  For assistance, contact your system administrator.
            <ntbm.NTBM.local #5.7.1 smtp;554 5.7.1 Rejected 202.52.41.155 is a dynamic IP>
------------------------------------------------------------
when i do a search on www.dnsstuff.com i get a different IP address for optusnet.com.au
if i ping it from my local machine i get correct resolution to 211.29.132.105

i have full administrative privalages on the server so i do not believe it is permission based.
Any help appreceiated.


REjected emails due to dynamic IP

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.