Spam Blocking

The Form Spam Blocking Script will block form submissions that include user defined blocked words, effectively stopping all form spam including automated scripts and user submitted data. It is designed to run with any Form1 based form processing code including Form1 Builder Software, Form1... Platforms: Windows, Mac

A simple SMTP mail server and client written with spam blocking in mind Postoffice is a simple SMTP mail server and client written with spam blocking in mind. The project provides a greylist to slow down the rate of incoming spam, and can be configured to do antivirus checking on incoming mail... Platforms: *nix

Untangle is a Linux-based network gateway with pluggable modules for network applications like spam blocking, web filtering, anti-virus, anti-spyware, intrusion prevention, VPN, SSL VPN, firewall, and more. Visit http://untangle.com Platforms: *nix

The Email Server is designed to provide services offered by its commercial email products, such as IMAP/POP services, Web-Based Email Interface and Administration, Mail Filtering, Spam Blocking and Directory-Based Authentication and Addressbooks. RH Email Server is fine for businesses and... Platforms: *nix

Untangle Gateway Platform is a Linux-based network gateway with pluggable modules for network applications like spam blocking, Web filtering, anti-virus, anti-spyware, intrusion prevention, VPN, SSL VPN, firewall, and more. Whats New in This Release: - Bugfixes from 5.0.0-beta; this release... Platforms: *nix

The Email Server is designed to provide services offered by its commercial email products, such as IMAP/POP services, Web-Based Email Interface and Administration, Mail Filtering, Spam Blocking and Directory-Based Authentication and Addressbooks. RH Email Server is fine for businesses and... Platforms: Windows, Mac, *nix, Perl, BSD Solaris

If you normally just trust your email accountမs spam filter, but are not happy with its performance, why not download a much more efficient spam software that will reduce your junk email within just a few weeks? SpamItBack software is absolutely free and could not be easier to use.All you... Platforms: Windows

If you normally just trust your email account’s spam filter, but are not happy with its performance, why not download a much more efficient spam software that will reduce your junk email within just a few weeks? SpamItBack software is absolutely free and could not be easier to use.All you have... Platforms: Windows

Gotcha adds a field labeled "Subject" at the top of the contact form. It uses a "div" tag to render the field as "display: none" so human users shouldn't see it, and won't enter any data there. The suspected spam bot will see "Subject" and be enticed to enter something there. There is descriptive... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

Cloudmark DesktopOne is Cloudmark™s next-generation consumer spamblocker for Windows. It blocks spam, phishing, and email-borne viruses quickly and accurately for all types of email accounts even Webmail accounts. Cloudmark DesktopOne provides standalone spam blocking that filters email... Platforms: Windows

It relies on the fact that most spam messages contain hyperlinks and also on the fact that (for now) (most) spambots don't register on the sites they want to spam. It tries to block comment-spam at an early stage.If an anonymous user tries to post a comment which contains a link, he/she will get... Platforms: BSD Solaris

It relies on the fact that most spam messages contain hyperlinks and also on the fact that (for now) (most) spambots don't register on the sites they want to spam. It tries to block comment-spam at an early stage.If an anonymous user tries to post a comment which contains a link, he/she will get... Platforms: BSD Solaris

It relies on the fact that most spam messages contain hyperlinks and also on the fact that (for now) (most) spambots don't register on the sites they want to spam. It tries to block comment-spam at an early stage.If an anonymous user tries to post a comment which contains a link, he/she will get... Platforms: BSD Solaris

It allows defining question/answer pairs in order to differentiate humans for bots.It does not appear when the users are logged in and it features ajax form field validation.InstallationUnpack and upload it to the /wp-content/plugins/ directory.Activate the plugin through the 'Plugins' menu in... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

The pool of words that are to be displayed, can be customized.InstallationUnpack and upload it to the /wp-content/plugins/ directory.Activate the plugin through the 'Plugins' menu in WordPress. Requirements: - WordPress 2.0 or higher Platforms: Windows, Mac, *nix, PHP, BSD Solaris

Legitimate comments that get blocked can be presented with a captcha to confirm that the comment is legitimate.InstallationUnpack and upload it to the /wp-content/plugins/ directory.Activate the plugin through the 'Plugins' menu in WordPress. Requirements: - WordPress 2.3 up to 2.6 Platforms: Windows, Mac, *nix, PHP, BSD Solaris

It checks if the IP address of the trackback sender is equal to the IP address of the webserver the trackback URL is referring to.It the queries the Web page located at the URL and searches it for a link back to your blog. If one is not found, the trackback is considered spam.There are several... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

When a browser loads that stylesheet a cookie is dropped on the user machine. If the user then leaves a comment the cookie is checked. If it doesn't exist the comment is marked as spam.InstallationCopy into your plugins folder and activate. If you are using a caching plugin such as WP Super Cache... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

Visitors must use obfuscated javascript to submit a proof-of-work that indicates they opened the website in a web browser, not a robot.If the javascript check fails, WP Hashcash gives three options; it can either put the comment into moderation (default), put the comment in the akismet queue, or... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

WP-BlackCheck is an attempt to reduce spam in the comment queue of my blogs based on the fact that it is only a couple of IPs trying to flood my sites with spam.Blocking them via htaccess or other server settings would do the job, but that would require to keep all the files in sync. So I decided... Platforms: PHP