Creating a special delivery path on a Exchange 2003 for a specific domain name

Hi,
I have 2 sites, each with its own forest and domain. Each uses Exchange 2003. And I have setup a permanent VPN tunnel between the two site with a bi-directional trust and dns.
When I want to send an email to emails for "...@siteb.com", my exchange on siteA sends it to the internet and it gets delivered to siteB. Is there a way to set up a link (connectors, smtp virtual server or something) in the Exchanges of my 2 sites so that mails sent to @siteb.com gets emails sent directly to the exchange of siteB using the vpn tunnel, all all other emails gets sent as usually to the internet (and vice-versa of course)?
tx!
SigSupportAsked:
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.Connect With a Mentor Commented:
Hi,

"You say to keep both connectors I already have which contains a "*" under the tab "Address Space" but add a new connector, with the configs you provided, but under the tab "Address Space" of the NEW connector, I remove the default " SMTP, *" and just add the @us.siteb.com Address Space: "

Correct ... this will tell exchange that when sending an email from siteA to @siteB.com to use that connector which delivers mail directly to the Exchange Organization in the remote Forest.

Install it and test it....
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.Commented:
You can create an smtp connector and use siteA / siteB as a smarthost , so you place it's internal ip address in the setting forward mail through this connector to the following smart host

http://www.msexchange.org/tutorials/configuring-smtp-connector.html
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SigSupportAuthor Commented:
That seems a good start. But since I never did it, can you provide more details on the config I have to input.
I put the ip of the other site on the "Forward mail through..."
What exactly does the "Do not allow public folder re..." does, sounds like I should check it.
Under address space I put "us.siteb.com" from the email domain @us.siteb.com,
I select "Entire organization"?
What about the "Connected Routing Groups"?

The the other site has to do the same (opposite)?

So I have to create un Protocols nother SMTP virtual server just for this?

Then on the default Connectors (since I have 2 Exchange on the siteA) do I remove the "*" in the Address Space or modify it? How will it process the @us.siteb.com before the rest of the emails?

tx!
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.Commented:
Hi, essentially you create the SMTP connector, on both Exchange organisations, select the option on the General tab to forward email through the following smart hosts and enter the internal hostname or ip address. On general add a local bridge head, Click address space and add the smtp domain name of the organisation in the other site.. I.e.. If you set this up on siteA then you add siteb.com. Everything else is the defaults.

Leave public folder referral blank, again a default. Then do the same on the other organisation.
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.Commented:
Just to clarify the * in address space means everything, so if you do not delete this and add the namespace for the remote forest it will try and relay every email you send through the connector.
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SigSupportAuthor Commented:
Hi, can you clarify your last comment?

You say to keep both connectors I already have which contains a "*" under the tab "Address Space" but add a new connector, with the configs you provided, but under the tab "Address Space" of the NEW connector, I remove the default " SMTP, *" and just add the @us.siteb.com Address Space:

That way Exchange will know to use this connector for @us.siteb.com and the old connectors for EVERYTHING ELSE, right?

Or will the other connectors with " SMTP, *" will have precedence for addresses @us.siteb.com for addresses destine to @us.siteb.com emails and the new connector will be useless?

tx!


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