The list goes on and on... The following is a partial list of some of the most common Anti-Spam companies that offer some form of service for reporting, filtering, or blocking Spam.   ABL AHBL AOL BADWHOIS BADWHOISIPS BGISOCBL BLARSBL BLITZED BLOCKME BNBL BOGONS BOGUSMX BONDEDSENDER BORDERWORLDSBL BRAINERD BURNTTECH CART00NEY CBL CASA-CBL CHICKENBONER CLUECENTRAL COMPU-PMO CSMA COMPU CYBERLOGIC DEADBEEF DELINK DEVNULL DEWS DNSBLINFO DNSBL DNSFRAUD DNSRBL DNSUCE DORKRELAYS DORKS DORKZTL DRBL DSBL DSN DUHLUSERS DUINV DULRU EASYNET-DNSBL EASYNET-DOMAINS EASYNET-DYNA EASYNET-PROXIES EMAILBASURA EXDNSBL EXSILIA FABELSOURCES FIVETEN FLOWGO FNIDDER GIPPER GIRL GRIP HABEAS HIJACKEDIPS HIL HILLI HUL ICMFORBIDDEN INFORMATIONWAVE INTERSIL INTRUDERS IPWHOIS JAMMDNSBL JIPPG KEMPTBL KITHRUP KROPKA KUNDENSERVER LBL LEADMON LTAMS MAD MADSCIENCE MADWHITE MAILDEFLECTOR MAILPOLICE-BULK MAPS MAPS-RBLPLUS MAPS-RSS MONKEYS NERD NETHERUNSURE NJABL NLKUNBLACKLIST NOABUSE NOFLOW NOMOREFUNN NOPOSTMASTER OPENRBL ORID ORBL ORBZ) ORDB ORVEDB OSIRUSOFT OUTBLAZE PDL PDL2 PIGS POSTFIXGATE PSBL REDHAWK RELAYWATCHER ROPE RRBL RSBL RSL SANDES SATOS SBBL SBL (Spamhaus) SCHULTE SDERB SECURITYSAGE SENDERBASE SERVICESNET SHRI SNARK SNIFFER SOLID SORBS SPAMBAG SPAMCANNIBAL SPAMCOP SPAMRBL SPAMSOURCES SPAMTHWART SPAMTR SPEWS SUMMIT TECHNOVISION TRIUMF TRUSTIC TUBERLIN UBL UCEB UCE PROTECT UIB URBL VBL VIRBL VOX WPBL WSFF WYTNIJ XBL YAMTA