Spam Prevention

Uses the HappyCaptcha web service to improve the CAPTCHA system.

HappyCaptcha is a free CAPTCHA service which developed on Hint-Challenge-Response approach*. We are focused on enhancing the user experience on your website.

Captcha services today are making life difficult for the user. Instead of asking the user to input difficult and boring text, HappyCaptcha offers a cute and friendly user experience.

This module is for site owners that do not want to require that users validate their email address when creating an account - because we all know that's extremely annoying for users to do. But, we still want to try to minimize spam as much as possible.

This module provides a more secure implementation of the Motion Captcha jQuery plugin.

It provides a configuration form where the admin can choose which site forms to add the Motion Captcha to, and also allows for custom forms by adding the form_id hidden field value.

The role_delay module enables the configuration of one or more user roles that all new users are automatically granted after a specified period of time from registration. A role delay of 0 (zero), will automatically assign that role to every user at creation time.

The new home of the previously abandoned Roledelay module.

Poem CAPTCHA is an unique kind of CAPTCHA which uses verses of poems displayed as an image with disturbing informations in the background to provide a challenge.

This Block Commenter Module will provides a flexible method for Drupal site
administrators to block the list of registered users from commenting
corresponding to selected content types.
Thus it prevents spammers from commenting on the Drupal site.
Watch video demonstration of block commenter
To configure this module,

GraphMath CAPTCHA is a graphical version of the well-known Math CAPTCHA, which is part of the CAPTCHA module. In this case the mathematical equation is hidden in an obfuscated image. The amount and types of distortion
and noise can be configured along with the image type, the types and sizes of the fonts used, and color settings.
This module is intended as a submodule of the CAPTCHA module. This module was built using the Image CAPTCHA submodule of the CAPTCHA module.

Integrates with the spam module to allow users to mark a piece of content as spam. Depending on their role, this will increment the spam value for that piece of content. A user can only mark a piece of content once, and only if the content is not already considered spam.

I wrote this module with the intent of using it on Drupal.org.

Mollom does a terrific job in catching and preventing spam, although recently some of my sites have still been getting spammed as Mollom isn't catching everything. I have been manually processing uncaught spam and adding the links to my mollom blacklist. This modules allows admins to flag content from content list and add it to a blacklist queue. The queue can be used to choose which links should be added to the sites mollom blacklist.

Simple antispam solution.
Module check comment's text and if strings '