The Machine Learning Antispam Plugin uses Machine Learning to detect spam and adult content comments and mark them as spam.
As of April 2026, Machine Learning Antispam is a WordPress spam plugin with 10 active installations and a 0/5 rating0. It has been downloaded 1.5K+ times in total. Requires WordPress 3.6.0+ and PHP false+. Available on WordPress.org since 2013. Last updated 11 years ago — may have compatibility concerns. Top alternative: Akismet Anti-spam: Spam Protection.
The Machine Learning Antispam Plugin uses Machine Learning to detect spam and adult content comments and mark them as spam. Additionally it allows you to filter negative comments and keep them pending for approval.
It uses the Datumbox API 1.0v and is compatible with WordPress 3.6v or higher.
To read more about how it works, how it should be configured etc check out the original blog post:
http://blog.datumbox.com/how-to-build-an-intelligent-antispam-wordpress-plugin/
Datumbox Website: http://www.datumbox.com/
Download API Documentation and Code Samples: http://www.datumbox.com/machine-learning-api/
Sign-up for free API Key: http://www.datumbox.com/users/register/
View your API Key: http://www.datumbox.com/apikeys/view/
| WordPress | 3.6.0+ requiredTested up to 3.9.40 |
| PHP | false+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.