
26 Google Apps Technical Transition Guide
The mail routing configurations you’ll set up during your transition require a
subdomain to route email from your legacy system to Google Apps. You typically add
a subdomain as a domain alias to the primary domain of your Google Apps account.
For example, the domain alias for the primary domain domain.com could be
apps.domain.com.
• Read Add domains and domain aliases to learn how to set up a subdomain in
Google Apps.
Global Go Live
Remove the mail routing subdomain
Level of Effort: Low
Now that all of your employees are living on Google Apps, you don’t need a
subdomain to route mail from your legacy system.
• Read Remove a domain or domain alias to learn how to remove your mail
routing subdomain.
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