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    Hi,

    We have an Exchange 2003 Server. We had problems with people using our server to spam.

    I went trough MS articles to disable open relay. Since then our server can send mails without an issue but it cannot receive. I am using popcon (3rd party pop download application) to transfer mails to my exchange box.

    It just says connection unexpectedly terminated. I then setup outlook express and I get the following error message

    Your server has unexpectedly terminated the connection. Possible causes for this include server problems, network problems, or a long period of inactivity. Account: 'tshumimain', Server: 'tshumimain', Protocol: SMTP, Port: 25, Secure(SSL): No, Error Number: 0x800CCC0F


    and


    Your server has unexpectedly terminated the connection. Possible causes for this include server problems, network problems, or a long period of inactivity. Account: 'tshumimain', Server: 'tshumimain', Protocol: POP3, Port: 110, Secure(SSL): No, Error Number: 0x800CCC0F


    In MS Outlook it connects to the exchange server without issues and it can sent messages fine.

    There are no errors in event viewer that pertains to exchange. Can you pls give me some ideas?

    Thanks

  • #2
    Re: Incomming Messages

    Have a look at the following KB:

    http://support.microsoft.com/kb/813514

    Assume you have the POP3 service enabled and the clients connecting via Outlook Express have the neccesary relay permmisions in Exchange?

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    • #3
      Re: Incoming Messages

      Any reason you are using a POP3 connector rather than SMTP delivery as Exchange is designed?

      You haven't said what you did to disable the open relay, but given that most POP3 connectors drop the email in to the SMTP stack, there is a good chance that what you did has broken that functionality.

      Simon.
      --
      Simon Butler
      Exchange MVP

      Blog: http://blog.sembee.co.uk/
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      In the UK? Hire me: http://www.sembee.co.uk/

      Sembee is a registered trademark, used here with permission.

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