Google announced today that it is making it easy for organizations using Google Apps to authenticate outgoing mail so that recipients can rest assured that the messages are really from them and aren't spam.
Administrators of all editions of Google Apps can enable the DomainKeys Identified Mail technology for outgoing mail in the "Advanced Tools" tab of the control panel by checking several boxes. Gmail has supported e-mail signing standards since its inception in 2004, but implementation required more configuration and resources than that.
Functionally, this means fewer legitimate e-mail messages will be blocked by spam filters. … Read more