Spam Protection
Spam blocker, Anti-Spam
SpamFighter
Spamfighter is the only Joomla antispam module for forums (Kunena, NinjaBoard and ccBoard) that uses a Bayesian algorithm. This means that spam recognition is improved over time. It can be adapted to prevent spam in other extensions.
Fly06 Spammer Blocker
New version v1.1.4 (Nov. 2, 2011) The Fly06 Spammer Blocker extension allows you to block the registration of potential spammers. It uses the API provided by the www.stopforumspam.com website to decide whether the user is a spammer or not and stop ...
SpambotCheck
The plugin protects against spambot attacks on either registration and login process by preventing spambots from register/login. It checks against several databases, such as projecthoneypot.org, sorbs.net, spambusted.com, stopforumspam.com and spamcop.ne ...
Domain Blocker Plugin
This plugin prevents user registrations with trash emails. The list of trash email providers is updated regularly.
JJAntispam
JJAntispam helps you prevent spam registration on your Joomla website by checking the spammer's signature against the spambusted.com spammer database. If the user that tries to register gets a positive hit, he is denied registration. In version 1.3 if ...
Spam Blocker
This plugin lets you block Fake/On-time/disposable Email Addresses, Common Usernames and Common Passwords. Easy to install and configure. ================ Version 1.0.0 Added the extension ================ Version 1.0.1 Added 2.5 Compatibility ...
foobla AntiSpam
Are you tired of spam on your Joomla site? Do you want a restricted registration/access solution? If so then this Joomla extensions is for you. Check out the features list, screenshots or demo system... FEATURES * GNU/GPL license. Purchase, inst ...
SiteBrains
SiteBrains is a SAAS spam-blocker and form validation tool that is now available to the Joomla community through the new Joomla component and plugin. Block spam comments using state of the art client-side form validation. No blacklists, no manual moder ...
RedMystic Forum SpamBomb
Detonate forum spammers! This simple yet effective component/module will monitor for known spam accounts. Once detected spam users are redirected to a page of your choosing, logged out of your site and then blocked. KBoom This is the same component ...