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Direct email send/receive connection between two exchange servers on the same wan

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  • Direct email send/receive connection between two exchange servers on the same wan

    Got an interesting question. I have two Microsoft exchange servers in separate domains and organizations that share the same WAN network. Instead of having email that would be sent between these domains go out over the internet, I'd like to setup a secure email send connection between these two servers. Both exchange organizations are very simple single server installations. So I'm thinking it should be simple. Another little caveat to this situation is that both domains don't share DNS information directly, so I'll be wanting to send this stuff over via IP if possible. My big question is how. I'm assuming that this needs to be done on each server by setting up the following:

    1. Organization Configuration > Hub Transport settings > New Send Connector:
    Need to setup a Partner send connector on each server
    2. Server Configuration > Hub Transport settings > New Receive Connector:
    Need to setup a Partner receive connector on each server.

    Is this what I need to do? Or is there another way I need to go about this?

    Thanks.

    -Dan

  • #2
    Re: Direct email send/receive connection between two exchange servers on the same wan

    That is it.
    Although you probably don't need the Receive Connector unless there are restrictions on the existing receive connector.

    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


    • #3
      Re: Direct email send/receive connection between two exchange servers on the same wan

      Thanks for the feedback. Yeah I've actually disabled the receive connectors I had setup. So I reenabled the send connector but my emails are still sitting in the outqeue on the sending server. And when I disable the send connector, the emails that showed up in the send connector's queue disappear from it and end up being delivered to the recipient through our old external email connector.

      Earlier I went in and did the command to setup cross forest authentication:
      .\Enable-CrossForestConnector.ps1 -Connector "Cross-Forest" -user "ANONYMOUS LOGON"

      In the properties section of the connector, I have the address space configured for
      *.branchname.com with a cost of 1. The network is configured to route mail through a
      smart host with the IP address listed. I'm using basic authentication (No TLS for now) with
      the username and password entered for the domain user account that needed to be setup
      for the link. And I have the local server setup as the source server. The only thing that
      I haven't done yet is enter in the variable on the general tab "Specify the FQDN this connector
      will provide in response to HELO or EHLO". Both of the servers have internal DNS's that reference
      outside DNS. So I didn't know if that could cause any extra problems or not.

      So is there anything else I'm missing? It's gotta be something simple.

      Thanks.

      -Dan

      Comment


      • #4
        Re: Direct email send/receive connection between two exchange servers on the same wan

        This shouldn't be that hard.
        A Send Connector on both sides, set to use a smart host and the correct name space and that is it - job done.

        Ensure that the name space is correct. If the other side is user @ example.com then the name space needs to be example.com, not *.example.com.

        Check whether you can actually telnet to port 25 of the other server correctly using the IP address and get a reply.

        So

        telnet 192.168.11.1 25

        No reply means either something is blocking the traffic or there is another kind of restriction in place.

        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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