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I need to know if I can "CNAME" older domains to a new domain names so that BOTH email addresses and browser requests will still work.

I say this is because I will need emails for to automatically go to

The reason for this is because the UK company I work for are re-branding with a ".com" domain and I need the older domains and email addresses to still work. We are also at the same time moving from an Exchange 2000 solution to a Google Apps cloud-based solution.

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migrated from Mar 16 '11 at 13:05

This question came from our site for professional and enthusiast programmers.

Certainly. The only trick is that MX records do not support CNAME records. You need to:

  1. Add a CNAME record(s) for that points to
  2. Add a host record for the root of that points to the same IP as the root of
  3. Add MX records that point to the same host names as the MX records for
  4. Configure your mail server (google apps) to accept emails for all teh domains in question. This last bit is easy with something like Exchange that you control completely; I am sure a solution is possible with Google Apps (although it may require multiple domains being set up with forwarding for each email address, which will be a pain to manage).
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Its quite simple to add domain aliases in Google Apps, but it requires the Business edition. The free edition does not support domain aliases.

  1. Sign in to the Google Apps administrator control panel.
  2. From the menu at the top of the page, select Domain settings.
  3. Choose the Domain names tab.
  4. Click Add a domain or a domain alias.
  5. Enter the name of the domain to add to your account.
  6. You must own the domain name, and it must not be registered as part of any other Google Apps account.
  7. To add the domain as a domain alias for your primary domain, select the check box Make this domain an alias of my primary domain.


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