How do I setup Exchange 2007 to receive SMTP mail from DMZ Server

I have a Web server running Windows Server 2003 SP 1 in the DMZ that I want to send SMTP traffic to on my Exchange Server 2007 running on Windows 2003 SP 2.  Can I bypass my Edge Transport Server and go directly to the Exchange server?  If so, can you give me a simple mans' step-by-step of "How to"?
Thanks,
Eric
a1785Asked:
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a1785Author Commented:
Please close this issue.  I am migrating everything off of my Exchange 2003 server and will be decommissioning it.  We will be going a different route with the email relaying issue.  Thanks for your assistance.
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MegaNuk3Commented:
You can bypass your edge, but it would be far quicker to send directly to your Edge server.
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MegaNuk3Commented:
If your web server is sending to external people then it will either need to authenticate with the Exchange server or be allowed to relay:
http://exchangepedia.com/2007/01/exchange-server-2007-how-to-allow-relaying.html
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a1785Author Commented:
I think we may have found the problem.  The web programmer is sending the email to an Exchange 2003 server address and getting hit and miss results (we currently have two email servers in our domain which we are in the process of migrating everyone off of one.)  Occationally, more times than not, a permissions error will occur.  I will have the programmer change the routing IP to the EDGE transport server, and check the results.
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MegaNuk3Commented:
Ok. If the app is sending to external it must authenticate or be allowed to relay. If it is just sending to internal then no additional exchange config is needed.
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a1785Author Commented:
Okay.  So, I'd like to run the email from the web server thru Edge transport.  I had the programmer direct the mail to the IP address of the Edge.  The email ends up in the black hole.  Not bounce back messages.
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MegaNuk3Commented:
Is the program sending to internal users or external?
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a1785Author Commented:
According to my programmer, it is both.
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MegaNuk3Commented:
If it is sending to external then the app will need to authenticate with Exchange or be allowed to relay.
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a1785Author Commented:
Forgive my ignorance.  Is relaying something that needs to be turned on, on the Exchange server or the Edge Transport?
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MegaNuk3Commented:
Whichever server requires you to open less ports in the firewalls. Follow this article:
http://exchangepedia.com/2007/01/exchange-server-2007-how-to-allow-relaying.html
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a1785Author Commented:
My apologies.  I have not been able to get back to this issue and will be out for a week.  It's up to you, whether you want to close this issue or leave it open for a while. Whatever's best. Thanks!  
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MegaNuk3Commented:
Leave it open
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a1785Author Commented:
I'm back, so hopefully I can get back on this project. Thanks.
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MegaNuk3Commented:
No problem
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MegaNuk3Commented:
You can close the question yourself accepting your comment as the solution or "request attention" and ask for the question to be deleted.
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a1785Author Commented:
The question is being closed with no need for further attention or solutions.
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