spamhaus.org

Spamhaus.org Offers services to protect internet network woldwide

Spamhaus tracks the internet's worst spammers, known spam gangs, and spam support services, providing blocklists and protective services for internet networks worldwide. It serves ISPs, network operators, and law enforcement agencies, working with them to identify and remove persistent spammers from the internet. The organization is also associated with related anti-abuse resources including DnsWL.org and SpamCop.net.