More hope for less spam … soon …
This appears to be some good momentum in the anti-spam area, as a good first effort to combat the problem. There are no doubt other proposals and standards that will emerge.

This specific solution will force companies to define their mail servers in DNS in a way that allows them to be held accountable for spam. This will provide a way to deny e-mail from being received, if the source of that mail can not be tracked down. It’s a very good start.

eWEEK: New Anti-spam Initiative Gaining Traction. A grass-roots movement to improve the SMTP protocol that governs e-mail traffic is gaining acceptance, and its lead developer hopes to get fast-track approval by the Internet Engineering Task Force to make the emerging framework a standard. [Tomalak’s Realm]