Spam protection for MyBB without CAPTCHA, image verification or security questions. Blocks spam registrations, spam threads and replies, and Contact Us spam. Cloud anti-spam used on 1,100,000+ websites.
Free months for your review. Post a review about CleanTalk on a community platform (for example, a MyBB forum thread), then send us the link from your CleanTalk dashboard > Bonuses. We add free months to your annual license.
- Registrations
- New threads and replies from new members
- Post edits
- Contact Us form
- SpamFireWall: blocks known spam bots before they load your pages
- MyBB 1.8.x (tested on 1.8.41, PHP 8.2)
- CleanTalk access key: cleantalk.org/register, 7-day free trial, no card
- Copy
antispam_by_cleantalk.phpand theantispam_by_cleantalkfolder toinc/plugins - ACP > Configuration > Plugins > Antispam by CleanTalk > Install & Activate
- ACP > Configuration > Settings > Antispam by CleanTalk: paste your access key
You can now switch off MyBB image verification and security questions: CleanTalk does the job invisibly.
We offer free Anti-Spam and Security licenses to developers who contribute to the development and maintenance of our plugins.
How to qualify for free licenses:
- Have at least one contribution to our plugins approved.
- Manage plugin, module, or extension releases and maintain their listings on relevant community platforms.
Interested? Contact us at welcome@cleantalk.org to claim your free licenses.
If this plugin helps you, please star ⭐ the repository.

