Spam takes another hit: email authentication now available to millions of Google Apps customers

«Google has been an early and consistent supporter of email authentication technologies, which help ensure senders are who they say they are, and in turn help to curb spam. Since we launched Gmail in 2004, we have supported email-signing standards such as DomainKeys and DomainKeys Identified Mail (…»   » source  |  + cache
 

See original post by Chris Gilmer