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Problem with Remote smtp connector causing queues

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  • Problem with Remote smtp connector causing queues

    Hello, I have An Exchange 2003 server on which I have configured an smtp connector to a remote domain. I always get flooded with messages in the Messages with an unreachable destination queue. throughout the day. I have to manually remove and input back the virtual IP and default gateway which I have configured every time and also stop and restart the virtual smtp server before messages get routed.
    On the Additional Information for the Queue on that smtp connector its reported The remote server did not respond to a connection attempt.
    What can I do to stop this unnecessary queuing of messages?

  • #2
    Re: Problem with Remote smtp connector causing queues

    How many SMTP connectors do you have?
    You should have at least one with a * for address space, and then specific domains on a separate connector with a lower cost.

    The errors means what they say, the server cannot connect. Usual cause is third party interference - AV, antispam or a firewall scanning SMTP traffic.

    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: Problem with Remote smtp connector causing queues

      Thanks for your earlier reply. Well I have only one smtp connector, thus the only one to the remote domain. And its State is always set on Retry. So as you suggest; is the add a new address space with * extension.

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      • #4
        Re: Problem with Remote smtp connector causing queues

        you need to look at specific messages in the unreachable queue, and investigate them one or two at a time - there's not heaps we can tell you with the information we have, beyond the fact that something is stopping thos messages - it may be dns, it may be a problem with the way your mail server appears, you may be blacklisted.. the remote sites may not be valid, you may be unknowingly sending spam, or getting backscatter...
        Please do show your appreciation to those who assist you by leaving Rep Point https://www.petri.com/forums/core/im.../icon_beer.gif

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