So news has hit that a “Promising antispam technique gets the nod” at the IETF through RFC4871.
However the comments added to the piece on Lifehacker: New email standard approved to fight spam and Slashdot: Bye Bye Spam and Phishing with DKIM? paints a different picture of how much people really do care about spam in todays world!
Want to learn more technically then DomainKeys Identified Mail (DKIM) is the place to go.