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I have 2 sites, both running sbs2003. &nbsp;site A had email domain @sitea.co.uk this email domain was moved to site b. &nbsp;So site A has @newdomain.co.uk, site B has @sitea.co.uk. &nbsp;Site A and B have local DNS domain names &nbsp;different from the external domain names. &nbsp;The following error occurs when sending emails from site A to site B. &nbsp;<br />
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A configuration error in the e-mail system caused the message to bounce between two servers or to be forwarded between two recipients. Contact your administrator.<br />
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When I ping sitea.co.uk from site A it resolves to its old external IP address, if I ping anywhere from the outside then it resolves to its new IP correctly.<br />
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I am presuming the issue is that site A still thinks that sitea.co.uk still resides on site A server, which it doesnt. &nbsp;I've cleared out DNS cache and removed all trace of the domain in the exchange recipients policy.<br />
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It gets even stranger!! When I send an email from site B to administrator@newdomain.co<wbr />.uk it arrives in the administrator mailbox as the old recpient from site A.<br />
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If anyone can make sense of this please do respond
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I have 2 sites, both running sbs2003.  site A had email domain @sitea.co.uk this email domain was moved to site b.  So site A has @newdomain.co.uk, site B has @sitea.co.uk.  Site A and B have local DNS domain names  different from the external domain names.  The following error occurs when sending emails from site A to site B.  

A configuration error in the e-mail system caused the message to bounce between two servers or to be forwarded between two recipients. Contact your administrator.

When I ping sitea.co.uk from site A it resolves to its old external IP address, if I ping anywhere from the outside then it resolves to its new IP correctly.

I am presuming the issue is that site A still thinks that sitea.co.uk still resides on site A server, which it doesnt.  I've cleared out DNS cache and removed all trace of the domain in the exchange recipients policy.

It gets even stranger!! When I send an email from site B to administrator@newdomain.co.uk it arrives in the administrator mailbox as the old recpient from site A.

If anyone can make sense of this please do respond

domain DNS issues

The Microsoft Server topic includes all of the legacy versions of the operating system, including the Windows NT 3.1, NT 3.5, NT 4.0 and Windows 2000 and Windows Home Server versions.

Microsoft Server OS

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.

Exchange

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).