Spam, Spam everywhere and not a drop to drink

Spamhaus tracks the Internet's Spammers, Spam Gangs and Spam Services, provides realtime anti-spam protection for Internet networks. Spamhaus operates two spam-blocking systems, the Spamhaus Block List (SBL) and the Exploits Block List (XBL). The Spamhaus Block List (SBL) is a realtime blocklist of spam sources and spam services. The Exploits Block List (XBL) is a realtime blocklist of illegal 3rd party exploits (proxies/worms/trojans). They also maintain the Register Of Known Spam Operations (ROKSO) database collates information and evidence on the known spammers and spam gangs, to assist ISP Abuse Desks and Law Enforcement Agencies.