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forwarding mail to an internal user receive a NDR report

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  • forwarding mail to an internal user receive a NDR report

    Hello everyone,

    Background
    Migrated environment, Ex 5.5 --> EX 2003
    Outlook 2000 client
    Exchange mail box (Internal email address)
    SMTP / Pop account set up to receive external email - ISP hosts email

    Only some users are set up like this, other users just have the internal email - can not send or receive external email.

    When the user receives an external email and attempts to forward the email to an internal user (via GAL etc.) they receive a NDR message. It seems to be trying to forward the mail out to the SMTP Server not via Exchange.

    Since the internal user does not have an external email account the mail bounces back from the ISP mail server.

    Thanks


  • #2
    Re: forwarding mail to an internal user receive a NDR report

    That is because your server probably does not recognize the SMTP domain as an internal one. How is your Recipient Policy configured?
    Cheers,

    Daniel Petri
    Microsoft Most Valuable Professional - Active Directory Directory Services
    MCSA/E, MCTS, MCITP, MCT

    Comment


    • #3
      Re: forwarding mail to an internal user receive a NDR report

      Just a clarification if it makes any difference.

      The internal smtp address is the same as the external ie [email protected]

      The external user has [email protected] hosted by an ISP and POP their mail via outlook.

      Thanks

      Comment


      • #4
        Re: forwarding mail to an internal user receive a NDR report

        Well then, you'd better re-think about your setup. The same SMTP domain is handled by your Exchange Org, AND your ISP. This will cause you issues, as you yourself have discovered.

        One thing you can do to fix it temporarily is to configure the "Send mail to unresolved recipients" in the SMTP VS, however that should only be a temporary fix, only till you figure how to either get rid of the ISP mailboxes, or use two separate SMTP domains.
        Cheers,

        Daniel Petri
        Microsoft Most Valuable Professional - Active Directory Directory Services
        MCSA/E, MCTS, MCITP, MCT

        Comment


        • #5
          Re: forwarding mail to an internal user receive a NDR report

          The smtp mail is sent out via the outlook client. If this is the case would the SMTP vs see the message?

          Comment


          • #6
            Re: forwarding mail to an internal user receive a NDR report

            Whilst it's not a long term solution. Having the user choose the account option under Outlook 2003 allows the exchange server to be selected and the message can be forwarded sucessfully.

            However, it does not seem to be an option in Outlook 2000

            Comment


            • #7
              Re: forwarding mail to an internal user receive a NDR report

              I must say again: Your current configuration makes no sense. Why use an expensive Exchange box when it doesn't do any email processing? Why use Outlook as a stand alone client? I suggest you re-think and re-plan your configuration.

              As for your question, you can create multiple email accounts in Outlook 2003, then the user gets an option to choose what account should send the email.
              Cheers,

              Daniel Petri
              Microsoft Most Valuable Professional - Active Directory Directory Services
              MCSA/E, MCTS, MCITP, MCT

              Comment

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