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  • Restrict external emails to some users (SBS 2003)

    Hi,

    I have a client running Windows 2003 SBS. They have about 10 users. I need to be able to restrict the email server when sending emails.

    I have a user account set up for Enquiry emails (enquiries) sent to the company, that gets delivered to the Enquiries mailbox.

    ALL users on the domain have the "Send As" permissions to send emails via Enquiries.

    This is my ideal solution is:

    2 Users can send external emails ([email protected], [email protected])
    All users can send internal emails ([email protected])
    All users can send external emails from Enquiries. ([email protected])

    I have removed the [email protected] SMTP Address form the list of Exchange Emails in the user properties, but this still allows users to send external emails from [email protected]

    Can this be done on Windows SBS 2003, Exchange 2003 SP2?

    Thanks in advance.

  • #2
    Re: Restrict external emails to some users (SBS 2003)

    remove the .domain.local from your recipient policy.... then noone can use domain.local addresses.

    unless you have a blinding need for thme../
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    • #3
      Re: Restrict external emails to some users (SBS 2003)

      tehcamel, I have removed the domain.local from the Policy, however I cannot remove both the domain.local and domain.co.uk form the Users email addresses, as it needs to have SMTP address.

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      • #4
        Re: Restrict external emails to some users (SBS 2003)

        consider creating multiple send connectors.

        that way, anything for .local will go the .local connector, everytrhing else will go out the "everything" connector

        then your .locals shouldn't get out onto the internet
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        • #5
          Re: Restrict external emails to some users (SBS 2003)

          Simple answer is that this version of Exchange cannot do what you want.
          Exchange cannot route email based on the sender.
          Having domain.local on an SMTP connector isn't going to help because that is the internal domain.
          Furthermore, for Exchange to work correctly, it requires the internal domain to be on the user accounts.

          You cannot restrict by authenticated user on an SMTP connector, because even when sending as another account, Exchange knows the true sender and whether they are authenticated or not. The SMTP part of the email is almost the last thing that happens to the message.

          The only option that I can see is to use a third party tool that can do SMTP header rewriting, so that any emails sent by the users to an external address have the header rewritten so that the messages appear to come from outside.

          Or upgrade to Exchange 2007 with an Edge server. A third party address rewriting tool will be cheaper than two Exchange 2007 licences.

          Exchange 2003 cannot do what you want.

          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.

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          • #6
            Re: Restrict external emails to some users (SBS 2003)

            wow.. thanks simon

            I was well wrong wasn't I
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