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  • Multiple SMTP connectors

    Hi,

    I am using SBS2003 with exchange on it.

    Recently we have been having problems sending to various domains with messages being delayed and timing out.

    They way I have been getting round it is to change the connector setting from DNS to my ISP's SMTP server. And it seems to work.

    I have tested my DNS several times and it is all working fine.

    What I would like to know is how to setup another connector so if it fails using DNS it will try using my ISP's server.

    Hope that makes sense.

    Thanks

    brian

  • #2
    Re: Multiple SMTP connectors

    Not possible I am afraid.
    There is no failover process in Exchange.

    The most that you can do is have two SMTP connectors with the same cost. Exchange will then load balance them.

    If you are on a dynamic IP address then your messages will get blocked.
    If the server is announcing itself as domain.com (which SBS does by default) then you will find messages are blocked.
    If you don't have a valid reverse DNS address then you will get blocked.

    Simon.
    --
    Simon Butler
    Exchange MVP

    Blog: http://blog.sembee.co.uk/
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    Sembee is a registered trademark, used here with permission.

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    • #3
      Re: Multiple SMTP connectors

      Thanks Sembee that's what I thought.

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