Definition: A blacklist is a list of addresses, typically IP addresses, but could also pertain to email addresses among other things, which is rejected or denied access by default. A blacklist of IP addresses known to distribute spam is often used to ban any incoming email from those addresses as a means of combating spam.
Latest posts by Tony Bradley (see all)
- Semperis Confronts the Identity Chaos Exposed by AI Search - December 11, 2025
- The Identity Problem No One Saw Coming—Until AI Exposed It - December 11, 2025
- Cyware’s AI Fabric Pushes Agentic Automation From Concept to Practical Reality - December 8, 2025
