Setup Exchange 2007 accepted domains incorrectly

Hi - I have setup SBS2008 wrong. The businesses email domain is (this is the first exchange setup I have done where they use a public email domain like this).
I followed my normal procedure and is in the accepted domains in the EMC - now unsurprisingly they cannot email anyone with a email address outside the organisation as Exchange looks for their account internally then bounces the message when it cant find the local account - their mail is delivered via pop connector. Can someone tell me how I can remove the from the accepted domains (I have tried and get the following error: Cannot remove the domain '' because it is referenced by the proxy address template ''.
Thanks for any help you can give...
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ashaw2009Connect With a Mentor Commented:
OK. The best thing to do in SBS is to go and re-run the "connect to the internet wizard" and the other wizards found in the SBS Management console under admin tools. if you setup SBS wrong form the start then you may have incorrect Remote Web Workplace, Company web and OWA URL's. Just double check these.

Secondly what you need to do is change the recipient policies and accepted domains. You may find that inside the accepted domain policy you have the wrong configuration. See if you can follow the steps in the below website and change the policy settings to be the correct domain:
You can't set up a public email domain on your local exchange server - otherwise you'll get the exact same problem. What you'll have to do is to remove the accepted domain (i believe everyone is receiving emails via POP ? ), setup a the default accepted domain with your domain.local address. But create an email address policy that gives all users a address.

Please note that the email addresses for users which is must exist on bt internet's email servers.
activateahsdAuthor Commented:
I re ran the 'Setup your Internet address' wizard in SBS2008 - changed the default email domain from to something else, then in EMC was able to add as an accepted domain but as an 'External relay'. This seems to have worked...
Thanks for your help...
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