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  • Exchange OWA with multiple SMTP Domains

    Hey guys, I'm a bit of a rookie when it comes advanced exchange options, I'm currently trying to setup 2 SMTP domains with an existing mail domain that I already have working good.

    I've already made a new accepted domain for one of them and I made an email policy where the users have to have a specified company to get one of the email domains but after that the problem starts. I can't log into OWA with the newly created account or get to it from an external client such as thunderbird, it just doesn't think the account exists.

    Is there something important I'm missing?

    This is basically it

    Domain a.local - working fine with OWA and 3rd party clients
    Domain b.local - inaccessible when typing the full email address of the client in OWA or 3rd party clients
    Domain c.local - inaccessible when typing the full email address of the client in OWA or 3rd party clients

    Should I have seperate mail boxes for each domain and their own OWA clients?

    I've done extensive Google searches but nothing has fixed this.

    Any help is appreciated!

    Server 2003 running Active Directory if that helps.

    All I'm trying to do is achieve multiple email addresses with different domain names on one exchange 2007 server with multiple OWAs if that's possible.
    Last edited by Eclipse; 2nd June 2011, 05:51.

  • #2
    Re: Exchange OWA with multiple SMTP Domains

    The email address of the user has no connection at all to the login credentials for the domain (and therefore OWA or any other email client). The fact that you may be able to login with the email address of a user in the primary domain is a coincidence.

    If you want users to be able to login with their email address then you need to ensure that their username matches the first part of their email address and then add the domain to the UPN values in AD. You can then set the alternative domain suffixes to match.

    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


    • #3
      Re: Exchange OWA with multiple SMTP Domains

      Originally posted by Sembee View Post
      The email address of the user has no connection at all to the login credentials for the domain (and therefore OWA or any other email client). The fact that you may be able to login with the email address of a user in the primary domain is a coincidence.

      If you want users to be able to login with their email address then you need to ensure that their username matches the first part of their email address and then add the domain to the UPN values in AD. You can then set the alternative domain suffixes to match.

      Simon.
      Alright, that's a bit confusing.

      So your saying after making a mail box for them in Exchange I then have to make them an account in AD for them to log into OWA correctly? I tried making the same account in AD but it says it already exists when it doesn't in AD....

      Where is the UPN values location at?

      Edit: I think I'm understanding this a bit better, I added the UPN name after following this - technet.microsoft com/en-us/library/cc756018%28WS.10%29.aspx

      Now I can see the domain as a dropdown when creating a mailbox in exchange.

      Update 1: Added the mail box with the new domain but it still doesn't allow me to login, same problem as before.
      Last edited by Eclipse; 2nd June 2011, 16:50.

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      • #4
        Re: Exchange OWA with multiple SMTP Domains

        You are still confusing the different elements and I think trying to do too much in one go.

        You can't have a mailbox without an AD account. Therefore if you go through the new user wizard in EMC then it creates an AD account at the same.

        After creating the user, check that they can login using domain\username (where domain is the WINDOWS domain name).

        If you want to use the email address as the login, then the login name and the email address must be the same. It is not unusual for the WINDOWS account to be jsmith but the email address to be john.smith.

        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


        • #5
          Re: Exchange OWA with multiple SMTP Domains

          Originally posted by Sembee View Post
          You are still confusing the different elements and I think trying to do too much in one go.

          You can't have a mailbox without an AD account. Therefore if you go through the new user wizard in EMC then it creates an AD account at the same.

          After creating the user, check that they can login using domain\username (where domain is the WINDOWS domain name).

          If you want to use the email address as the login, then the login name and the email address must be the same. It is not unusual for the WINDOWS account to be jsmith but the email address to be john.smith.

          Simon.
          Thank you for the reply Simon, I know there was a difference between the exchange mailbox accounts and the active directory users, I think I was being thrown through a loop since I had the change password upon logon checked, I reset the password and I was able to log in with one of the new accounts on OWA and was able to send an email just fine with the new domain showing up correctly for the email address.

          On a completely unrelated note, the computers on the server 2003 network are unable to officially join the domain, its never been needed but I would really like to see for once a computer join the domain normally and have control over it.

          I'm not sure if I'm typing in the domain name wrong in Windows, or I have a setting denying access to new computers or something.

          If you wouldn't mind helping me with that and solving a personal annoyance that would be awesome. Should I make a new thread in the appropriate section?

          Comment


          • #6
            Re: Exchange OWA with multiple SMTP Domains

            I would suggest a new thread in the appropriate server forum for that question.

            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

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