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I 've gto the following problem with email between two parties.Both parties are our clients so i have access to &nbsp;both exchange and dns servers. When Party 1 tries to send emai lto Party 2 they get the following:<br />
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Your message did not reach some or all of the intended recipients.<br />
Subject: Ad examples<br />
Sent: 30/03/2006 17:06<br />
The following recipient(s) could not be reached:<br />
GB@clear-stone.co.uk on 30/03/2006 17:06<br />
There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.<br />
&lt;IM-Files.Intelligent.loca<wbr />l #5.5.0 smtp;550 Unrouteable address&gt;<br />
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Any ideas?<br />

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I 've gto the following problem with email between two parties.Both parties are our clients so i have access to  both exchange and dns servers. When Party 1 tries to send emai lto Party 2 they get the following:


Your message did not reach some or all of the intended recipients.
Subject: Ad examples
Sent: 30/03/2006 17:06
The following recipient(s) could not be reached:
GB@clear-stone.co.uk on 30/03/2006 17:06
There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
<IM-Files.Intelligent.local #5.5.0 smtp;550 Unrouteable address>

Any ideas?


550 Unrouteable address

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.