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How do I setup exchange to relay for a specific domain?

How do I setup exchange to relay for a specific domain?
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DrDamnit
Asked:
DrDamnit
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1 Solution
 
Jeffrey Kane - TechSoEasyPrincipal ConsultantCommented:
Why?

Can you give more background about what you are trying to accomplish?

Jeff
TechSoEasy
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DrDamnitAuthor Commented:
Moved a server, some cached DNS are still sending mail to that IP address, and I wanted exchange to just relay that mail to the correct server as DNS propagates throughout the universe.

I think I have accomplished it with connectors, but just wanted to run it by you guys to check.
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Jeffrey Kane - TechSoEasyPrincipal ConsultantCommented:
Why not just clear the DNS cache and let Exchange resolve it correctly?  I've not seen propagation take more than 24-hours lately.

Jeff
TechSoEasy
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DrDamnitAuthor Commented:
Because in 24 hours, there are thousands of emails that won't be delivered.
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Jeffrey Kane - TechSoEasyPrincipal ConsultantCommented:
You've lost me.  How will thousands of emails not get delivered?

Jeff
TechSoEasy
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DrDamnitAuthor Commented:
Jeff:

Because the MX records were pointing to an A record, which we had to move because our ISP went down. (The equipment onsite just up and died. It was loads of fun.)

While we have backup email servers and MX records, they don't get filtered by our Barracuda, thus I wanted to route all the mail so it would get filtered. Because we had one of our boxes from the ISP go down, we now had a single point of failure that I didn't want to have. So, I used NAT upstream to route those IPs to a different network, and used connectors in SBS to re-route the mail through the Barracuda.

Clear as mud?
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Jeffrey Kane - TechSoEasyPrincipal ConsultantCommented:
Now it is... and it would have been helpful if you had specified these things in your original question (for those of us trying to help you out with a solution as well as yourself for getting a solution more quickly and more appropriate for your problem).

I would have suggested that rather than trying to relay the specific domain that it would probably be quicker to set up a backup DNS such as that provided by www.zoneedit.com.

Jeff
TechSoEasy
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