Allowing application servers to relay off Exchange Server 2007

To allow application servers to relay through your Exchange 2007 server do the following

  • Create a new internal receive connector in EMC
  • Add the servers that need to relay
  • When created edit the settings and navigate to Permission Groups
  • Select only Anonymous users, deselect other options
  • Navigate to the Authentication tab
  • Deselect every checkbox so that nothing is selected
  • Apply changes
  • Open EMS and run the following commandlet
  • Get-ReceiveConnector “InternalRelay” | Add-ADPermission -User “NT AUTHORITY\ANONYMOUS LOGON” -ExtendedRights “ms-Exch-SMTP-Accept-Any-Recipient”
  • Relay should now work for the selected servers

This information was based on this blog, http://msexchangeteam.com/archive/2006/12/28/432013.aspx

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