troubleshooting Question

Unable to receive email from external domain ?

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Senior IT System EngineerFlag for Australia asked on
ExchangeActive DirectoryWindows Server 2008
14 Comments3 Solutions111 ViewsLast Modified:
Hi All,

I've got this strange issue where I cannot seems to troubleshoot, hence I need some of your help here.

Background: Exchange Server 2010 SP3 on single AD domain.

My head office AD domain is simply, while the Exchange Server has multiple different accepted email domain for example, and

Testing 1:
When I send out email from to it was sent successfully from Outlook, OWA and ActiveSync but somehow it didn't reach or appears in the OWA/Outlook of the Reception mailbox at all.

Testing 2:
When sent from Outlook, OWA and ActiveSync to my email it appears in the OWA/Outlook mailbox.

Note: Nothing in the queues, exchange seems to deliver, it just doesn’t. Message tracking gave me an error.

Any kind of help would be greatly appreciated.


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