Junk email filter lists

Here are some popular junk email filter lists that are widely used by email providers and organizations to block spam:

  1. Spamhaus: A comprehensive list of known spam sources, including IP addresses, domains, and email addresses.
  2. Sender Policy Framework (SPF): A protocol that helps prevent spam by verifying the authenticity of email senders.
  3. DomainKeys Identified Mail (DKIM): A digital signature that verifies the authenticity of email senders and helps prevent spam.
  4. Bayes Filter: A statistical approach to filtering spam, which uses a combination of algorithms and machine learning to identify spam emails.
  5. Razor: A spam filtering system that uses a combination of algorithms and human feedback to identify spam emails.
  6. Cloudmark: A cloud-based spam filtering system that uses a combination of algorithms and machine learning to identify spam emails.
  7. SURBL: A list of known spam sources, including IP addresses, domains, and email addresses.
  8. URIBL: A list of known spam sources, including IP addresses, domains, and email addresses.
  9. Open Relay Spam Software (ORSS): A list of open relays and other known spam sources.
  10. SpamAssassin: An open-source spam filtering system that uses a combination of algorithms and machine learning to identify spam emails.

Some popular junk email filter lists that are specific to certain industries or regions include:

  1. Barracuda Spam Firewall: A list of known spam sources, including IP addresses, domains, and email addresses, specifically designed for enterprise environments.
  2. Postini: A list of known spam sources, including IP addresses, domains, and email addresses, specifically designed for enterprise environments.
  3. Cloudmark Authority: A list of known spam sources, including IP addresses, domains, and email addresses, specifically designed for enterprise environments.
  4. SpamCop: A list of known spam sources, including IP addresses, domains, and email addresses, specifically designed for residential users.
  5. Abuse.ch: A list of known spam sources, including IP addresses, domains, and email addresses, specifically designed for tracking and blocking spam.

It's worth noting that these lists are not exhaustive, and new spam sources are constantly emerging. Email providers and organizations often use a combination of these lists and other filtering methods to block spam.