Wordpress Anti-Spam plugin
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Anti-spam features
1. Stops spam comments.
2. Stops spam registrations.
3. Stops spam contact emails.
4. Stops spam orders.
5. Stops spam bookings.
6. Stops spam subscriptions.
7. Stops spam in widgets.
8. Check existing comments for spam.

Comments spam protection
Supports native WordPress, JetPack comments and any other comments plugins. Plugin moves spam comments to SPAM folder or set option to silent ban spam comments.

Spam bots registrations filter
Filers spam bots on registrations forms WordPress, BuddyPress, bbPress, S2Member, WooCommerce and any other registrations plugins.

Protection against contact forms spam
Plugin is tested and ready to protect against spam emails via Formidable forms, Contact form 7, JetPack Contact form, Fast Secure Contact form, Ninja forms, Landing pages, Gravity forms and any themes/custom contact forms.

WooCommerce spam filter
Anti-spam by CleanTalk filters spam registrations and spam reviews for WooCommerce. Plugin is fully compatible with WooCommerce 2.1 and upper.

Newsletters filter
Anti-spam by CleanTalk filters spam subsciptions for MailPoet and many other newsletters plugins.

Spam filter for themes contact forms
Plugin blocks spam emails via any themes (built-in) contact forms. With AJAX forms plugin silent (without any error notices on WordPress frontend) filters spam emails.

Other spam filters
WordPress Landing Pages. WP User Frontend. Any WordPress form (option 'Custom contact forms'). 

Anti-spam plugin info
CleanTalk is an anti-spam solution all in 1 for WordPress that protects login, comments, contact and WooCommerce forms all at once. You don't need to install separate anti-spam plugins for each form. This allows your blog to work faster and save resources. After installation you will forget about spam, CleanTalk plugin will do all the work. You won't have to deal with spam, CleanTalk will do this for you automatically. 

We have developed antispam for WordPress that would provide maximum protection from spam bots and you can provide for your visitors a simple and convenient form of comments/registrations without annoying CAPTCHAs and puzzles. Used to detect spam multistage test that allows us to block up to 99.998% of spam bots.

Paying for a year of anti-spam service, you save a lot more and get:
  • Up to 99.998% protection against spam bots.
  • Time and resources saving.
  • More registrations/comments/visitors.
  • Protect several websites at once at different CMS.
  • Easy to install and use.
  • Traffic acquisition and user loyalty
  • 24/7 technical support
  • Clear statistics
  • No captcha (reCaptcha), puzzles, etc
  • Free mobile app to control anti-spam function at your website
Compatible with WordPress cache plugins
W3 Total Cache, Quick Cache, WP Fastest Cache, Hyper Cache, WP Super cache and any other cache plugins.

Check existing comments for spam. Bulk comments removal
With the help of anti-spam by CleanTalk you can check existing comments, to find and quickly delete spam comments at once. For use this function, go to WP Console->Comments->Find spam comments.

Check existing users for spam. Bulk accounts removal
With the help of anti-spam by CleanTalk you can check existing comments, to find and quickly delete spam users at once. For use this function, go to WP Console->Users->Check for spam.

Low false/positive rate
This plugin uses multiple anti-spam tests to filter spam bots with lower false/positive rate as possible. Multiple anti-spam tests avoid false/positive blocks for real website visitors even if one of the tests failed.

Spam attacks log Service CleanTalk (this plugin is a client application for CleanTalk anti-spam service) records all filtered comments, registration and other spam attacks in the 'Log of spam attacks' and stores the data in the log up to 45 days. Using the log, you can ensure reliable protection of your website from spam and no false/positive filtering.

Spam FireWall
CleanTalk has got an advanced option 'Spam FireWall', this option allows blocking the most active spam bots before they get access to web site. It prevents loading of pages of the web site by spam bots, so your web server doesn't need perform all scripts on these pages. Also it prevents scanning of pages of the web site spam bots. Therefore Spam FireWall significantly can reduce the load on your web server. Spam FireWall also makes CleanTalk the two-step protection from spam bots. Spam FireWall is the first step and it blocks the most active spam bots, CleanTalk Anti-Spam is the second step and it checks all other requests on the web site in the moment before submit comments/registers and etc.

How Spam FireWall works?
  • The visitor enters to your web site.
  • HTTP request data is checked of the nearly 5,8 million of certain IP spam bots.
  • If it is an active spam bot, it gets a blank page, if it is a visitor then it gets a site page. This is completely transparent to the visitors.
All the CleanTalk Spam FireWall activity is being logged in the process of filtering. The logs will be available for viewing in CleanTalk Dashboard since 10/15/2015.

Spam FireWall DDos Protection
Spam FireWall can mitigate HTTP/HTTPS DDoS attacks. When an intruder makes GET requests to attack your website. Spam FireWall blocks all requests from bad IP addresses. Your website givies infringer a special page with description of DDoS rejection instead of the website pages. Therefore Spam FireWall can help to reduce of CPU usage on your server.

XML-RPC brute force protection
Spam FireWall can mitigate XML-RPS brute force attacks. It blocks XML-RPS attacks from bad IP addresses. That helps to prevent bruteforce attacks by a Remote Procedure Call.

No spam comments, no spam registrations, no spam contact emails, no spam trackbacks. CAPTCHA less anti-spam for WordPress
Spam is one of the most irritating factors. Spam become every year more and conventional anti-spam can no longer handle all the spam bots. CleanTalk prevents spam and automatically blocks it. You'll be surprised of effective protection against spam.