New Guidelines To Deal With SPAM

This article discusses new guidelines released by The Messaging Anti-Abuse Working Group (MAAWG) intended to reduce spam. According to the article, the new guidelines (which do not appear to be available online) recommend that ISPs use separate servers for received and forwarded e-mails, and that they block port 25, through which spam travels. Even if the guidelines were successfully adopted, though, there's no indication that they would be successful. Still, this might be a start.