Now when you send an email using another address within your domain or within an aliased domain, your original username won't be listed in the "Sender" header, so your recipients won't see "on behalf of."

Editions included:
Premier and Education Editions

Languages included:
All languages supported by Gmail

How to access what's new:
To learn more about adding a custom 'From' address, click here

For more information:
http://gmailblog.blogspot.com/2009/07/send-mail-from-another-address-without.html

Get these product update alerts by email
Subscribe to the RSS feed of these updates