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How to configure Exchange to flow mail to a Smarthost

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  • How to configure Exchange to flow mail to a Smarthost

    Hello Everybody,

    We have several domains in our Exchange system. How do I setup Exchange 2007 to flow all outbound email from one of the domains (ie: test.com) to a smarthost for filtering and tagging. The idea here is that other domains will continue to flow email out to the internet, but just one of the domains redirect the mail to a smarthost.

    The user's sending email is using either webmail or mapi, and the mailboxes reside in the exchange environment.


    Andre

  • #2
    Re: How to configure Exchange to flow mail to a Smarthost

    You will currently have a send connector for your outgoing email. You adjust the cost of that send connector to 2 and then create another one for your specific domains. That will then be configured for your smart host.

    add: Cost of 1 for the Smart Host connector.
    Last edited by Virtual; 7th May 2009, 20:08. Reason: added comment.

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    • #3
      Re: How to configure Exchange to flow mail to a Smarthost

      I tried that... But didnt work.

      I created a new send connector (custom) added the test.com domain to the address space with a cost of 1, inserted the smarthost, then the source server. I then change the cost on the main send connector to 10

      I tried this before I posted my question.

      Maybe I didnt wait long enough during my test. Does Cost take time to apply?

      I will try again and re-test. Will post my results.

      Andre

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      • #4
        Re: How to configure Exchange to flow mail to a Smarthost

        If you make a change to the connectors and you want it to take effect immediately, then restart the Exchange Transport Service.
        Otherwise it can take a couple of hours to take effect.

        Simon.
        --
        Simon Butler
        Exchange MVP

        Blog: http://blog.sembee.co.uk/
        More Exchange Content: http://exchange.sembee.info/
        Exchange Resources List: http://exbpa.com/
        In the UK? Hire me: http://www.sembee.co.uk/

        Sembee is a registered trademark, used here with permission.

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        • #5
          Re: How to configure Exchange to flow mail to a Smarthost

          Hi Simon,

          Thanks for the reply.

          Do you know...

          If exchange is unable to send the message through that smarthost (ie: SMTP Service is offline on the smarthost), will exchange send the message through to the next send connector?

          Andre

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          • #6
            Re: How to configure Exchange to flow mail to a Smarthost

            Originally posted by [email protected] View Post
            Hi Simon,

            Thanks for the reply.

            Do you know...

            If exchange is unable to send the message through that smarthost (ie: SMTP Service is offline on the smarthost), will exchange send the message through to the next send connector?

            Andre
            AFAIK, it will just sit in the queue destined for the smarthost and then send a message back as failed delivery depending on your settings.

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            • #7
              Re: How to configure Exchange to flow mail to a Smarthost

              Exchange can only do load balancing, it cannot do failover.
              Therefore if you have two connectors with the same cost then email will flow if one of them is not available. However if you have a connector with cost 1 and a connector with cost 2 and both have the address space set as * , then Exchange will ignore cost 2 and simply queue the email.

              Simon.
              --
              Simon Butler
              Exchange MVP

              Blog: http://blog.sembee.co.uk/
              More Exchange Content: http://exchange.sembee.info/
              Exchange Resources List: http://exbpa.com/
              In the UK? Hire me: http://www.sembee.co.uk/

              Sembee is a registered trademark, used here with permission.

              Comment

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