Messaging Records Management (MRM 1.0) has a feature which enables you to “journal” a message that falls under a MRM policy. Here is a screenshot of it from Exchange 2007 GUI And while MRM 1.0 has been deprecated in Exchange 2010 and later...

Some Background on Shared Namespaces with Exchange 2003 and 2010. So the nature of shared namespace has changed between exchange 2003 and exchange 2007/2010. In exchange 2003 to share a name space like “TheHongkonCavaliers.mail.onmicrosoft...

  So you may have seen DEFER or FAIL eventids in your tracking logs and wondered why they are there. If we look on our documentation on TechNet here we see- Event name Description DEFER Message delivery was delayed. FAIL Message delivery failed....

  I’d say good read but I wrote it and that would be  just wrong. So instead let me just say “one more from the shameless self-promotion dept.”- http://blogs.technet.com/b/exchange/archive/2011/07/08/accepted-domains-safe-senders-list-and-you...

  You may have noticed a discrepancy between the output of Get-AdPermission in Exchange 2007 and Exchange 2010. Specifically the differences are in the way extended rights are displayed (or rather not displayed in the case of 2010). Below is an example...