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  • 2nd Exchange Domain on Single Computer?

    Hi,

    I'm trying to get exchange2003 to send and receive emails for both mail.domain1.com and mail.domain2.com on the same computer running server2003 enterprise. This server is the pdc for domain1.com as well as the AD.

    Each domains have their own public ip address and IIS is processing them correctly.

    The user email accounts would be completely seperate as in [email protected] and [email protected]

    When folks speak of a "2nd exchange server", are they referring to a different computer, a 2nd exchange installation on the same computer, or a 2nd exchange server in the exchange server dropdown list within a single installation?

    Can domain2's user group be managed within exchange as domain2 has no AD?

    Thanks in advance...

  • #2
    Re: 2nd Exchange Domain on Single Computer?

    Second exchange server would most likely be a second exchange server in the same Exchange Organisation. One forest can only have one Exchange org.
    You can't install Exchange more than once on a single machine (excluding setting up a VM of course which would be a bad idea).
    Exchange can support multiple email addresses though so there is no problem with stanley having both a domain1 and domain2 address. It does beg the question though, are you wanting to setup a completely separate domain with separate users etc for domain2 or do you just want to get emails for another domain being sent to internal users?
    cheers
    Andy

    Please read this before you post:


    Quis custodiet ipsos custodes?

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    • #3
      Re: 2nd Exchange Domain on Single Computer?

      You should also consider that while you have have multiple IP addresses for inbound email, you cannot force email OUT through different IP addresses. Exchange will only send out on a single IP address. If you are hosting two or more domains on the same server then I usually recommend that the same DNS settings are used for all domains.

      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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      • #4
        Re: 2nd Exchange Domain on Single Computer?

        << It does beg the question though, are you wanting to setup a completely separate domain with separate users etc for domain2 or do you just want to get emails for another domain being sent to internal users?

        Well not really, as all I want to do is for stanley to be able to send email as [email protected] and receive email addressed to [email protected].

        This domain2.com is not really a domain that I've setup other than the name servers and DNS, as the computer is really a pdc for domain1.com as well as AD for domain1.com. So, can I setup and manage a small number of users in exchange and not be related or connected to domain1.com?

        How/where does the domain part (domain2) of the email address come from if its different from the pdc's domain (domain1)?

        Any white papers on this more advanced setups?

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        • #5
          Re: 2nd Exchange Domain on Single Computer?

          << If you are hosting two or more domains on the same server then I usually recommend that the same DNS settings are used for all domains.

          When you say "same server", is it windows server or exchange server?

          Do I need or can I setup windows server to manage multiple domains?

          Can exchange manage multiple exchange domains on a single exchange installation on a windows server that is a pdc of another domain?

          Thanks,

          Comment


          • #6
            Re: 2nd Exchange Domain on Single Computer?

            you dont need multiple AD domains, as long as your exchange server is configured to accept emails for both names it will do so as long as the addresses exist. A user's default email address will also be the reply to address. So basically all you need to do is
            • make sure both mx records are pointing to your smtp gateway
            • configure exchange to accept email for both domains
            • create users accounts and mail enable
            • modify user accounts to have correct email addresses (and remember to set default address as the one you want to be the inbound/outbound address)
            hope this helps

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            • #7
              Re: 2nd Exchange Domain on Single Computer?

              Thanks, it helped alot... more questions...


              << configure exchange to accept email for both domains

              details please...


              << create users accounts and mail enable

              I suspect that the user accounts for domain2 must be managed via exchange and not ad? (because they are in different domains)

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              • #8
                Re: 2nd Exchange Domain on Single Computer?

                here is the article on how to add the extra address to your recipient policy.

                http://www.petri.com/configure_excha...er_domains.htm

                <<I suspect that the user accounts for domain2 must be managed via exchange and not ad? (because they are in different domains)

                <Can domain2's user group be managed within exchange as domain2 has no AD?


                does this mean you only have had the mx record created ? as the AD user objects dont need to be in different domains, you can have them both in the same AD domain just with different email addresses.

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                • #9
                  Re: 2nd Exchange Domain on Single Computer?

                  << does this mean you only have had the mx record created ? as the AD user objects dont need to be in different domains, you can have them both in the same AD domain just with different email addresses.

                  At network solutions where both domain names are registered, domain1 has an A record and an MX record both pointing to the same address. Now, domain2 also has an A and an MX record both pointing to the same address (but a different address than domain1). The 2003 server that has exchange installed is listening for both these addresses and so far I've gotten the http stuff working just fine, and now I need exchange to handle several email accounts that has the domain2.com in them.

                  I'm somewhat confused as to how much if any AD, server2003, exchange2003, domain controller and/or whatever else is involved with this setup...

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                  • #10
                    Re: 2nd Exchange Domain on Single Computer?

                    Domains for email and domains for Active Directory are completely separate. You don't have to do anything in AD for Exchange to work with a second domain for email.
                    Within AD all you need to do is create a second account and ensure that the default email address on the account is correct.

                    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.

                    Comment


                    • #11
                      Re: 2nd Exchange Domain on Single Computer?

                      Just fyi, if it helps at all, I have 2 users on my Exchange server who need to send and recieve on a second domain.

                      they have there primary AD account, lets call it [email protected]. I have also created 2nd accound on AD, called [email protected]. All messages sent to second account get forwarded to first. I have also enabled permissions to send from second account and enabled 'from' in outlook. that way the user can send and recieve from both domains.

                      Hope that helps some.
                      James
                      MCP

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