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What version of exchange are they on? check ndr's are not disabled<br />
<br />
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From Exchange System Manager, Global Settings, Internet Message Format. <br />
Double click on your right. Advanced tab
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What version of exchange are they on? check ndr's are not disabled


From Exchange System Manager, Global Settings, Internet Message Format.
Double click on your right. Advanced tab

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<a href="http://www.computerperformance.co.uk/exchange2007/exchange2007_ndr.htm" rel="ugc">http://www.computerperformance.co.uk/exchange2007/exchange2007_ndr.htm</a><br />
<br />
Note 2: &nbsp;To Allow non-delivery reports, change<br />
set-RemoteDomain &quot;Default&quot; -NdrEnabled $false<br />
to<br />
set-RemoteDomain &quot;Default&quot; -NdrEnabled $true.
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http://www.computerperformance.co.uk/exchange2007/exchange2007_ndr.htm [http://www.computerperformance.co.uk/exchange2007/exchange2007_ndr.htm]

Note 2:  To Allow non-delivery reports, change
set-RemoteDomain "Default" -NdrEnabled $false
to
set-RemoteDomain "Default" -NdrEnabled $true.

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Our customers are not receiving not delivered reports in case of sending e-mail to wrong_address@mydomain.com<wbr />. Where I can find misconfiguration? How can I troubleshoot it?
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Our customers are not receiving not delivered reports in case of sending e-mail to wrong_address@mydomain.com. Where I can find misconfiguration? How can I troubleshoot it?

NDR not sending

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

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.