Free WordPress Anti-spam pluginFree
Anti-spam plugin blocks automatic spam in comments section. No captcha.
Plugin is easy to use: just install it and it just works.
Blocked comments can be stored in the Spam area if needed. This can be enabled/disabled via Settings page. This is useful for testing and debug purpose. Blocked spam comments can be easily converted to regular comments if needed.
Anti-spam plugin is GDPR compliant and does not store any other user data except of the behavior mentioned above.
Plugin blocks spam only in comments section.
After installing the Anti-spam plugin try to submit a comment on your site being logged out.
If you get an error – you may check the solution in the Support section or submit a new topic with detailed description of your problem.
Tags: comment,comment spam,comments,spam,spammer
Source from: WordPress.org