Wagner

<ul>
<li>Block certain kinds of users from registering to your WordPress site by adding blacklist rules. </li>
<li>Super simple to use. The whole plugin just has one simple settings page.</li>
<li>Support regular expression rules.</li>
<li>Completely free.</li>
<li>Support tracking and recording login attempts since v1.1.0.</li>
<li>Login attempts chart since v1.1.0.</li>
</ul>

Geek Mail Blacklist

Block users with certain emails from registering to your WordPress site by adding blacklist rules.

guidve

Spam Check for Asgaros helps you keep your forum clean from spam.
When a user creates a new post or topic in Asgaros Forum, the content is scanned for a list of blacklisted terms that you define. If any are found, the submission is blocked, and the user can optionally be banned.
Features: 
– Check both new post (reply) and new topic content for spam keywords 
– Manage blacklist terms easily in Settings > Spam Check for Asgaros 
– Choose whether to automatically ban users on spam detection 
– Customise the error message when spam was detected 
– Lightweight and fast

Spam Check for Asgaros

A simple and configurable spam filter for the Asgaros Forum plugin. Automatically detects blacklisted terms in posts and optionally bans spammers.

Geek Mail Blacklist vs Spam Check for Asgaros