Internet email ID across both domains: @company.co.in
We want to migrate to Windows 2003 and Exchange 2003 on new hardware. At the present time, we are in the planning stage, which will be followed by testing in a lab environment. We would like to know how to proceed for the following queries:
- We want to separate the two (Windows) domains -- i.e., we do not want a single forest (so that there is no dependency between the two). We can change the email IDs to "@unit1.company.co.in" and "@unit2.company.co.in." But for some users (in both locations), we also need the "@company.co.in" address. How do we accomplish this?
- We want to separate the two (Windows) domains (as above), but we want to keep the same email IDs ("@company.co.in").
As for your second query, two separate domains can share in the corporate name space. Just configure the Recipient Update Service and SMTP gateway to accept mail. Also, make sure your MX record is pointing to the appropriate SMTP gateway.
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This was first published in July 2006