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Exchange 2010 sp1 /hosted multi-tenant split domain setup

I've successfully deployed exchange 2010 sp1 in /hosted mode with multi-tenancy and the install is working great. We are running into a problem configuring the send connectors for inter domain email and split domains. We have several customers wanting to only put a couple of email accounts on the exchange server and have the rest of their email accounts resolve to a pop server at an external location. Currently I have a internal send connector set to relay email between the domains on the server so they can send emails to one another. Directions for this were found at: http://www.zerohoursleep.com/2010/10/step-by-step-starting-with-exchange-2010-sp1-multi-tenant-sending-and-receiving-emails/

I created the connector: new-SendConnector -Name 'TestOrg' -Usage 'Internal' -AddressSpaces 'SMTP:testorg.com;1','SMTP:lab.com;1' -IsScopedConnector $false -DNSRoutingEnabled $false -SmartHosts '[127.0.0.1]' -SmartHostAuthMechanism 'None' -UseExternalDNSServersEnabled $false -SourceTransportServers 'Exchange'

I added all my internal domains to the connector listed above and email is able to flow from one domain to another.

My problem is we have a number of customers who need split-domains set up where users who arent on the exchange server are relayed to an external server. Example to route unknown users on a domain to google my send connector looks as is:

New-SendConnector -Name "Internal Relay - test.org" -Custom -AddressSpaces "SMTP:test.org;5" -SmartHosts aspmx.l.google.com -SourceTransportServers "server"

This results in an internal loop error when sending from one internal domain to another. Sending from an external domain everything is fine. If I remove the "internal" connector listed above the split-domain send connector works perfectly fine delivering locally and to the external server.

How can I make it so both send connectors work?
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cybersharks1
Asked:
cybersharks1
1 Solution
 
endital1097Commented:
one of these two exchange organizations must have the accepted domain listed as authoritative
whichever side does not have the MX record pointing to their systems should have this set
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Glen KnightCommented:
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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