If I have both a routing group connector and an SMTP connector in exchange 2k3 ent., can I force email to use the SMTP connector first or completely?

Posted on 2006-06-01
Last Modified: 2010-03-06
I have a routing group connector and an SMTP connector that points to my firewall, in exchange 2003 enterprise .  Is there a way to force email to go out the SMTP connector if it isn't in my site?  There is email that is using the routing group connector, I think because the email address is in my organization.  The other end does use it to send email to us, but for various reasons I don't want to use it to send to them.  I want my email to go out the SMTP connector.  Is this possible?  Any help would be appreciated.  
Question by:dosscc
    LVL 12

    Expert Comment

    You can achive this by setting up the cost on the connector. Reduce the cost on SMTP connector or increase the cost on Routing Group connector.
    Have cost = 10 for STMP connector
    and Cost  = 20 for Routing group connector.

    Amit Aggarwal.
    LVL 35

    Expert Comment

    routing group connector is used to connect the exchange administrative groups. whereas smtp connector is used to send email out to a smart host.

    if an email address does not exist in your exchange site then exchange knows where it is and would route it to the other exchange site via the routing group connector
    LVL 35

    Expert Comment

    i would also like to know how many exchange sites do you have here?
    LVL 4

    Accepted Solution

    All the bridgehead (master server in a routing group) holds a link state table with connector information (routing paths) which tells email to take which route or path.

    If email is for with in organization delivery it will use routing group connector.

    If that email is for external world, it will use SMTP connector.

    If SMTP connector is in different Administrative group, first, email will go from your Administrative Group to that Administrative Group via RGC and than it will use SMTP connector for Internet delivery or relayed through your SMART Host.



    Author Comment

    Thanks I got the problem fixed, I was able to make a SMTP connector to bypass the routing group connector for organization delivery.  I just configure the SMTP connector for the exact address space and included a connected routing group for the Administrative group that I wanted to bypass the RGC.  Thanks for all the help.


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