SPAM Tools
Distributed Checksum Clearinghouse The DCC or Distributed Checksum Clearinghouse is an anti-spam content filter. |
| DNS blocklists DNS blocklists are a common form of network-accessible database used in spam detection. They're also referred to as "DNSBLs", "DNS blacklists" and "RBLs". |
| Pyzor Pyzor is a collaborative, networked system to detect and block spam using identifying digests of messages. |
| qmail Anti-Spam HOWTO This document discusses anti-spam philosophies from a variety of perspectives and provides information about available options for dealing with spam. |
| SquidGaurd An ultrafast and free filter, redirector and access controller for Squid. |
| URLBlackList Commercial managed URL blacklist service. |
| Vipul's Razor Vipul's Razor is a distributed, collaborative spam detection and filtering network. |