Exchange 2007 connection issues

I have just installed SBS 2008 Standard. It's finally all up accept email is not sending or receiving. I get the following message when I try to test the connection from our spam filter company SpamSoap.

Connectivity test failed for the following SMTP Host(s):
xxx.xxx.xx.xxx:25: host failed to return an smtp 220 service ready response code; host response code: 421

I've created one user so far and successfully opened his mailbox up in owa. What do I need to do to make sure the connector is right? I did notice that the one users email address by default was the local domain "name@domain.local" I created him another email name@domain.com. Any ideas? Is there an exchange wizard to run to set it up?
cnmgtAsked:
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omniumnetworkingCommented:
Whenever you're setting up an email server it is a good idea to test it with telnet so that you can see exactly what's going on. This link provides a lot of useful information:
http://support.microsoft.com/kb/153119
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badgermikeCommented:
Are all your exchange services started in services? exept monotiring or imap if you are not using it....
Then is your problem just internet related? Can you send from one internal mailbox to another...just not to the internet? Is your internet connector enabled and configred properly...
 
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cnmgtAuthor Commented:
I've added a second users. Internal email works. The server is blocking incoming and outgoing?
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omniumnetworkingCommented:
In summary though, try to telnet localhost 25 and attempt to send mail to your user manually. 421 usually refers to the service not being available, but using telnet you will be able to see your server's exact response, which will help you pinpoint the exact problem.
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badgermikeCommented:
If your internet send connector isn't set up properly then you won't be able to send to the internet....If your receive connector is set up you won't be able to recieve from the internet......
 
Check in EMC and look at your send and receive connectors.
 
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cnmgtAuthor Commented:
when I telnet to the ip 25 it states ESMTP mail service ready then the date.
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Alan HardistyCo-OwnerCommented:
Visit www canyouseeme.org and test port 25.

If the response is Goid, then mail should cone in.  Assuming it is not Good, then check your firewall has port 25 open and forwarded to your server, check your receive connector is listening on port 25, not 587 and check any IP restrictions on the receive connector.
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cnmgtAuthor Commented:
I checked and it was good. Where do I check to make sure the connector is listening on port 25 and IP restrictions?
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Alan HardistyCo-OwnerCommented:
Under Exchange Management Console> Server Configuration> Hub Transport> Receive Connector properties.
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cnmgtAuthor Commented:
The receive connector looks fine. It's enabled, the top box has the IP of the server and the bottom has the IP's of the external spam filter.
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cnmgtAuthor Commented:
The problem has been resolved. All of your guys have assisted and I appreciate it. Also, I didn't realize I had to run the "web presence" wizard in the initail tasks list. Also I'm learning that you have to reboot the server with every little change you make in SBS 2008. Thanks again for your help.
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cnmgtAuthor Commented:
Fast response and great help.
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