Stop Spammers
20,000+ active installs · Rated 4.4/5 · Updated July 18, 2026
An anti-spam plugin, now named Stop Spammers Classic, that blocked spam registrations, comments and logins on WordPress sites. Its author has moved development to a successor plugin called Dam Spam, which migrates the existing settings automatically, and the classic version now receives security fixes only. It suits existing users planning a move rather than new sites. The plugin is free, with donations requested to support the work.
Pros
- Checks IPs against StopForumSpam, BotScout and Akismet
- Captcha challenge on login, registration and comment forms
- Allow list, block list and activity reports
Cons
- Legacy build; new features are not planned
- Successor Dam Spam is the recommended plugin
- Several external lookups send visitor IPs to third-party services
Topics: Anti-spam plugins , Comments plugins , Security plugins
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