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Have noticed that prior documentation on setting up anonymous relays in SBS 2008 no longer work without some additional configuration.

Used to be able to follow this documentation, which is basically:

  1. setup a new receive connector
  2. add the IP address(es) that will be permitted to relay
  3. check off "anonymous" under Permission Group and then run the Exchange shell script to grant permissions.

Now what seems to be happening is that if the permitted IP address happens to fall within the same address space as another more restrictive Receive Connector (like the "Default SBS08" one) and possibly if it's ahead of the new Receive Connector alphabetically (haven't tested that yet), the relay attempt fails with "Client Was Not Authenticated" error.

To get it to work, I had to modify the scope of the "Default SBS08" Receive Connector to exclude the one LAN IP that I wanted to allow relaying for.

I can't recall ever having to do this for Exchange 2007 Standard and/or any other SBS 2008 servers I've setup over the last couple of years and I don't remember doing this and the wiki entry I added at the office doesn't mention it either.

So my question is, has anyone else experienced this? Has there been a new change with R2 or perhaps an Exchange Service Pack?

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Is there an R2 version of SBS 2008? –  user3914 Feb 20 '11 at 23:48
    
I'm fairly certain that's what the latest version is called. –  gravyface Feb 20 '11 at 23:55
    
You know what, you're right, there is no R2. SBS 2011 is based off of Server 2008 R2, but there's no R2 for SBS 2008. There was alot of talk about it, but it was never released. –  gravyface Feb 20 '11 at 23:58
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