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  • User based Routing How-To

    Here is the scenario, I have been asked to move certain users from exchange to Linux mail server for my domain but MX will still be pointed to Exchange. So, whenever any receives for example.com it will be received by exchange and then exchange need to route the SMTP message for uses which are on Linux box.

    My queries are

    1] How to configure user based routing in exchange 2007

    2] If I somehow manage to configure Exchange as a smart host and divert the messages to Linux. Do I need to delete those user mailboxes from exchange? Or which one will take precedence? The user based routing or local delivery.

  • #2
    Re: User based Routing How-To

    You are talking about sharing the SMTP address space.
    http://technet.microsoft.com/en-us/l...EXCHG.80).aspx

    The mailbox must not exist on Exchange, otherwise Exchange will not send email out to any other host.

    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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    • #3
      Re: User based Routing How-To

      Thanks for your reply sembee and not sure if that calls SMTP sharing space in microsoft world. But I wanted to route messages for certain users to other MTA while do the local delivery for the remaining ones.

      Comment


      • #4
        Re: User based Routing How-To

        What you have outlined is shared address space, the link I have provided explains how to do that.

        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


        • #5
          Re: User based Routing How-To

          Yes you are right this is the feature I was looking for but one glitch; it works for the user which was never created on Exchange and unfortunately no luck with the users which were previously on Exchange and I decided to migrate to Linux.

          Is there any other way to move or delete the users completely which were previously created on Exchange 2007?

          Somehow I feel exchange is still detecting that user on exchange hence unable to route the mail.

          E.g. there are 2 users created on Exchange 2007

          exchuser and linuser. I decided to move linuser on Linux box hence I deleted mailbox from Exchange bu no luck. However I directly created user testmail on Linux and then sent that mail from exchuser which is getting delivered perfectly.

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          • #6
            Re: User based Routing How-To

            What did you do with the user that you have moved to the other server?
            Did you just remove the email address, or did you mail disable the user completely?

            Exchange doesn't use the SMTP email address internally. That is just something that is used to resolve to the user account. Therefore if you are testing with Outlook and its cached information, it may well be that the user is still being treated as an internal user. Not really a lot you can do about that. While the user will go from the Offline Address book within 48 hours, the nicknames file (Which is what you see when you start typing a user's name) is exclusively client side. You would have to ask all users to remove the address from their nicknames file (by selecting the address and choosing delete).

            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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