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Detailed configuration for smtp routing with front-end / back-end exchange servers

Posted on 2007-11-23
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Last Modified: 2010-04-21
Hi all,

i have a 3 exchange 2003 servers:  1x Front-end and 2x backend.

I have 2 routing groups:
   (1) Westminster:
            Members:  1x Front-end Server (FE1)  & 1x Back-end Server (BE1)
            Connectors:  
                   1)  SMTP: Problem Domains - routes yahoo, gmail.hotmail, and aol emails to ISP smtp server
                   2)  RGC: Houston Route - routes email designated for mailboxes that resides on BE2

    (2) Houston:
            Members:  1x Back-End Server (BE2)
            Connectors:
                   1)  SMTP: Problem Domains - routes yahoo, gmail.hotmail, and aol emails to ISP smtp server
                   2)  RGC: Houston Route - routes email designated for mailboxes that resides on BE1

Now based on this configuration, how do i go about configuring FE1 to send out all outgoing emails except for the address spaces that are designated on the Problem Domains SMTP connectors?

Thanks in advance!


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Question by:jetli87
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Sembee earned 2000 total points
ID: 20340928
Simple.
You need a second SMTP connector. The cost of the connector for the domain * is 2 (ie higher than the problem domains connector).

You have two options - one connector with the scope set to entire org, or an SMTP connector in each routing group.

Remember you can have as many SMTP connectors as you like, just adjust the cost to ensure which one is used first.

Simon.
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Author Comment

by:jetli87
ID: 20340967
this is what i did:

on Routing Group Westminster:

1) created new smtp connector
2) added BE1 as local bridgehead server
3) address space:  * (for all) and cost =2
4) Connector Scope = Routing Group only

is that sufficient?
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Author Comment

by:jetli87
ID: 20340975
forgot to add:
5) forward all mail to this connector to:  fe1
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Author Comment

by:jetli87
ID: 20340985
also, test config:  got NDR = unable to relay
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Expert Comment

by:Sembee
ID: 20342541
The mistake was setting the email to forward to frontend server.
Never set another Exchange server in the same org as a smart host on an SMTP connector. That simply confuses Exchange. If you want email to go through another server then you need to set that server as the bridgehead.

Simon.
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Author Comment

by:jetli87
ID: 20344114
i see...so how would i go about to configure my FE server as the local brigehead server?
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Expert Comment

by:Sembee
ID: 20345518
When you add the list of servers as a bridgehead you select the frontend server - nothing more.

Simon.
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Author Closing Comment

by:jetli87
ID: 31410716
thanks!
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Author Comment

by:jetli87
ID: 20351993
thanks!
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