OWA for Exchange 2007 Mailboxes for Front-Facing 2010

Right now, when I hit https://mail.mydomain.com/owa and I try to log into 2007 mailbox, it just kind of times out and nothing happens. No redirects, no nothing. What should I do?
blkburnAsked:
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bmsjeffCommented:
Are the port open?
Is the firewall configured?
Can you access owa internally?
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blkburnAuthor Commented:
I mean, I can log into a 2010 mailbox with no problem. I believe the ports should be open. What should I have open? The firewall is pointing to the new server now for my HTTPS and SMTP.

I can access owa internally.
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OriNetworksCommented:
are you sure mail.mydomain.com resolves to your correct external ip address? maybe try a ping to verify is resolves the correct address. If it does, make sure your router has the HTTPS port (443) correctly open to forward traffic to the address of your server.
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blkburnAuthor Commented:
mail.mydomain.com points to the right address. Sorry, I may have been unclear. I can actually hit the correct 2010 OWA log-in screen when I go to https://mail.domain.com/owa. I can even log into a mailbox that is on the 2010 server. The only issue is that logging into a 2007 mailbox does not log me in. It times out.
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blkburnAuthor Commented:
By the way, the IP is always going to be the same because that IP points to the router. However, the router forwards SMTP and HTTPS to my mail server.

Here's an interesting tidbit:

I have it pointing back to my old mail server right now. Now, https://mail.mydomain.com/OWA points to my 2007 OWA. But when I access my 2010 Exchange server internally at https://servername/owa, I obviously get the 2010 OWA screen. However, if I log in using a credential associated with a 2007 mailbox, it will redirect me correctly to the 2007 OWA. If I log into a 2010 mailbox, it will automatically forward me to 2010 OWA.

It doesn't work when I point my router to the new server. If https://mail.mydomain.com/OWA points to the 2010 server, that behavior won't occur. It will just hit some sort of infinite loop.
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blkburnAuthor Commented:
The solution is going to be that I have 2 Front-Facing servers: one for 2007 and one for 2010. Autodiscover.domain.com and legacy.domain.com are needed to ascertain the correct location of the owa.
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blkburnAuthor Commented:
Did my own solution.
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