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Handling mail for a newly acquired company

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  • Handling mail for a newly acquired company

    We're running Server 2k3 and Exchange 2k3. We recently purchased another company that is not using AD or Exchange.

    We're company1.com and they're company2.com

    I'd like new tree called company2.company1.com and have us host their e-mail in our Exchange environment. I'd also like to keep their e-mail addresses as [email protected]. Finally, I'd like to migrate their mail from the existing POP3 server to our Exchange server. What are the general steps I'll need to complete to make this happen?

    Thanks.

  • #2
    Re: Handling mail for a newly acquired company

    I don't know what you mean when you say "I'd like new tree called company2.company1.com", but as far as hosting their email here are the general steps:

    1. Modify your Recipient Policy to add company2.com.
    2. Change the MX record for company2.com to point to your Exchange server.
    3. Create user accounts and mailboxes in ADUC for the company2.com users.
    4. Import the pst files for the company2.com users into their new Exchange mailboxes.

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    • #3
      Re: Handling mail for a newly acquired company

      Hmmm...I see. So if I wanted them to log into a DC that I manage (either here or in their office), their username would be [email protected] instead of [email protected], correct? And I'd have to add their PCs to our domain?

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      • #4
        Re: Handling mail for a newly acquired company

        Not neccessarily. Do you want them to log in to the domain to access resources other than email? If you only want them to access email, then you can create user accounts and mailboxes for them in the company1.com domain and they can configure their email client to connect to the company1.com email server and provide their company1.com username\password. If you want them to access resources in the company1.com domain, you can add their computers to the company1.com domain or you can create a trust between the company1.com and the company2.com domains.

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        • #5
          Re: Handling mail for a newly acquired company

          You have confused the WINDOWS domain with the SMTP domain.

          If you want those users to login as [email protected] then you just add that as an additional UPN to the domain. Has nothing to do with the email address domain.

          The machines do not have to be a member of the domain for Exchange use. If you are using RPC over HTTPS then the users can login to Exchange that way with Outlook.

          Simon.
          --
          Simon Butler
          Exchange MVP

          Blog: http://blog.sembee.co.uk/
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          Sembee is a registered trademark, used here with permission.

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