Email routing lets administrators pilot Gmail alongside their existing mail solution, accomplish dual-deployments, and support mixed messaging environments.

Editions impacted:
Premier, Education and Partner Editions

Languages impacted:
US English

How to access what's new:
Learn more on the email routing overview page. (see link below)

For more information:
http://www.google.com/support/a/bin/answer.py?hl=en-au&answer=77182