Antispam groups come under heavy DDoS attack
Spammers have been taking over unsuspecting computer users’ machines for years in order to send out unwanted e-mails, but recently they have been getting even more aggressive. The SANS Institute (SysAdmin, Audit, Network, Security) recently reported that a large, distributed denial-of-service (DDoS) attack has targeted several organizations that attempt to fight spam: Spamhaus, SURBL (Spam URI Realtime Blocklists), URIBL (Realtime URI Blacklist), and Rules Emporium (the host site for the open-source SpamAssassin program). As of this writing, the Rules Emporium and URIBL are still under attack and are unreachable.
Full article: arstechnica.com