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Mimic Guard is an anti-spam plugin for WordPress mail and contact forms. It uses dynamic honeypots, submission time monitoring, and integration with major form plugins to reduce automated bot submissions.
<ul>
<li>Honeypot — Detects bots that fill hidden form fields</li>
<li>Time check — Flags submissions that are unrealistically fast after the form is shown</li>
<li>Form integration — Works with WPForms, Contact Form 7, comments, and more</li>
<li>Page caching — Optional AJAX honeypot injection when HTML is cached</li>
<li>Privacy — Optional IP anonymization when logging events</li>
</ul>
Configure minimum submission time, token lifetime, log list size, and more from the admin screens.

Mimic Guard

Block spam submissions with honeypot fields and submission timing checks.

Otto Kekäläinen

Viljami Kuosmanen

This plugin fights comment and registration spam on your website. This plugin is based on the Open Source WP No-Bot plugin at http://www.compdigitec.com/apps/wpnobot by Compdigitec.
This plugin is authored by <a href="http://seravo.fi/" rel="nofollow ugc">Seravo Oy</a>, which specializes in open source support services and among others is the only company in Finland to provide <a href="http://seravo.fi/wordpress-palvelu" rel="nofollow ugc">WordPress Premium Hosting</a>.
Source available at https://github.com/Seravo/wp-spam-question-filter

WP Spam Question Filter

This plugin fights comment and registration spam on your website.

Mimic Guard vs WP Spam Question Filter