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Prevent people from registering with emails that contain a subdomain to help reduce spam.

By: jamiechong.

(0)
Last Updated: 4 weeks ago
17 downloads
Compatible up to: 4.5.2

Encodes mailto: links and e-mail addresses with JavaScript to stifle webcrawlers. Automatically turns plaintext e-mails into (enkoded) links.

By: michael_greenberg.

(5)
Last Updated: 4 weeks ago
5,000+ active installs
Compatible up to: 4.5.2

To protect your Blog from automated spambots, this plugin adds invisible formfields to your comment form.

By: kubi23.

(12)
Last Updated: 1 month ago
10,000+ active installs
Compatible up to: 4.4.5

Adds a honeypot form field on the registration and login pages to trap spammers.

By: keith_wp.

(0)
Last Updated: 1 month ago
20+ active installs
Compatible up to: 4.5.2

Spam BLIP stops comment spam before it is posted, using DNS blacklists, existing comments marked as spam, and user defined lists.

By: EdHynan.

(0)
Last Updated: 1 month ago
632 downloads
Compatible up to: 4.5.2

Сaptcha generated numbers and latin characters. Designed for use in custom forms and displays a simple shortcode, and connect to log form.

By: alonelion1987.

(2)
Last Updated: 1 month ago
30+ active installs
Compatible up to: 4.5.2
(4)
Last Updated: 1 month ago
7,000+ active installs
Compatible up to: 4.5.2

Provides a configurable limit on the length of comments left in the comment form, with a dynamically updated character count displayed for the user.

By: gregmulhauser.

(4)
Last Updated: 1 month ago
1,000+ active installs
Compatible up to: 4.5.2

A clean, secure, plug-&-play contact form for WordPress.

By: Jeff Starr.

(27)
Last Updated: 2 months ago
10,000+ active installs
Compatible up to: 4.5.2

Industry leading bot detection and analytics through the use of the Ellipsis Human Presence score proprietary technology.

By: johnschulz.

(0)
Last Updated: 2 months ago
87 downloads
Compatible up to: 4.4.3

Protect your site against bad bots by trapping them in a virtual blackhole.

By: Jeff Starr.

(4)
Last Updated: 2 months ago
700+ active installs
Compatible up to: 4.5.2

The most lightweight Google reCAPTCHA v2 comment anti-spam plugin!

By: Lake District Walks.

(0)
Last Updated: 2 months ago
20+ active installs
Compatible up to: 4.4.3

License URL: http://mit-license.org/ The WordPress plugin that provides small functions to help your website working better.

By: bjhee.

(0)
Last Updated: 2 months ago
40 downloads
Compatible up to: 4.4.3

Combat spam registrations for a BuddyPress-powered site using Google's reCAPTCHA

By: Shea Bunge.

(10)
Last Updated: 2 months ago
2,000+ active installs
Compatible up to: 4.4.3
(5)
Last Updated: 3 months ago
20+ active installs
Compatible up to: 4.4.3

Easiness and effectiveness are the keys for a valid Captcha control. DC generates appealing captcha for your WP blog without compromising usability.

By: Alessio van Keulen.

(0)
Last Updated: 3 months ago
20+ active installs
Compatible up to: 4.4.3

Adds CAPTCHA anti-spam methods to WordPress on the forms for comments, registration, lost password, login, or all.

By: Mike Challis.

(100)
Last Updated: 3 months ago
300,000+ active installs
Compatible up to: 4.4.3

Stop spam bots from registering, logging in, filling out contact forms and commenting on your site without using annoying Captcha codes or puzzles.

By: oxfordbio.

(13)
Last Updated: 3 months ago
500+ active installs
Compatible up to: 4.4.3

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