Anti Spam Protection

Policy Daemon project is an anti-spam plugin for Postfix (written in C) that does Greylisting, Sender-(envelope, SASL or host / ip)-based throttling (on messages and/or volume per defined time unit), Recipient rate limiting, Spamtrap monitoring / blacklisting, HELO auto blacklisting and HELO...

smf-grey is a Sendmail milter that implements the GreyList Anti SPAM technology. This technology can significantly reduce the amount of SPAM and viruses going from zombie computers (infected Windows PC), which produce more than 80% of SPAM. GreyList Sendmail milter has a very effective...

GNU Sauce is an anti-spam server. SAUCE (Software Against Unsolicited Commercial Email) is an SMTP server that sits between the Internet and your actual mail software. It was originally written to help in the fight against spam, but it also helps encourage good configuration and administration in...


Platforms: *nix

Spammer is an anti-spam mail filter for the popular MTA Sendmail. Spammer checks all IP-Addresses found in the mail header against a DNS blacklist (such as the one from Easynet, Spamcop or Osirusoft). Depending on the configuration, Spammer rejects mails from well-known spam sources or tags...


Platforms: *nix

SpamBayes is a Bayesian anti-spam classifier written in Python. The major difference between this and other, similar projects is the emphasis on testing newer approaches to scoring messages. While most anti-spam projects are still working with the original graham algorithm, we found that a...


Platforms: *nix

Maverix is an Anti-Spam and Anti-Virus solution for AOLServer. This is AOLserver module that implements SMTP protocol and acts as SMTP proxy with anti-spam and anti-virus capabilities. It includes Web interface to manage quarantined messages and administrative interface based on OSSWEB....


Platforms: *nix

CleanMail is a complete SMTP/POP3 email security solution (Anti-Spam/Anti-Virus) that works with any mail server like Microsoft Exchange 2003/2007/2010, Microsoft Small Business Server (SBS) 2003/2008, Lotus Notes/Domino or IMail. CleanMail includes a comprehensive set of filters, including an...


Platforms: Windows, Linux

EmC-Email Control is an anti-spam application which allows users to reduce the number of junk mails arriving in their inbox. The program works with a combination of filters, that can be customized by the user and checks the mail while it is still on your ISP server. Based on your filter criteria,...


Platforms: Windows

JavaScript or cookies are not required for this plugin to function correctly.It uses a special encryption function; the result of the question is being passed via a hidden field. The result is being compared with the value entered by the visitor – after encrypring this value as...


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

Spam Terrier brings comprehensive antispam protection to users of varying computer skills. It comes free and doesn't stress even a low-end computer. Effortlessly integrating into popular email applications such as The Bat! and Vista-included Windows Mail, the program provides a wide array of...


Platforms: Windows

AVG Free Edition is a popular well-known anti-virus and anti-spyware protection tool that provides basic internet security. Includes LinkScanner Active Surf-Shield that checks web pages for threats at the only time that matters – when you're about to click the link. Rapid virus database updates...


Platforms: Windows

NetWrix Antispam for Exchange is a freeware server-side spam filtering product that filters spam messages for known spam criteria, such as black listed domain names, malformed URLs, and others. This product is freeware. Please contact NetWrix Corporation at www.netwrix.com to obtain more...


Platforms: Windows

AVG Anti-Virus Free Edition is a free anti-virus protection tool developed by GRISOFT for personal home use. Basic antivirus and antispyware protection for Windows available to download for free. Limited features, user-forum support, for private and non-commercial use only. NOTE: AVG Anti Virus &...


Platforms: Windows

It detects spam before it reaches the mail system and kills the receive process immediately. Saving you a lot of bandwidth. Spam will not reach your mailboxes. It works with any e-mail client, and supports an unlimited number of e-mail accounts. Setup is simple with a few clicks. There is no need...


Platforms: Windows

Spamato is a spam filter system that combines several anti-spam techniques, from which thousands of users benefit. It is available as an add-on for Thunderbird and Outlook, and as a stand-alone proxy for other email clients. IMAP and POP are supported.


Platforms: Windows, Mac, Linux

The Spam Secretary is an anti-spam email filter based on the article at http://www.paulgraham.com/spam.html. It is written in python and is easy to install. It is mailclient independent, and the hope is that it will be MDA independent as well.


Platforms: Windows, Mac, Linux

In order to achieve this it automatically uses things HTML entities or JavaScript. Installation Unpack and upload it to the /wp-content/plugins/ directory. Activate the plugin through the 'Plugins' menu in WordPress. Requirements: - WordPress 2.1 or higher


Platforms: Windows, Mac, *nix, PHP, BSD Solaris

This plugin protects registration, login and comment forms from spambots by adding a simple math question to it ("what is 4+3 ?"). This approach should give you 100% anti-spam protection to your sites.Installation : 1. Upload block-spam-by-math directory to the /wp-content/plugins/ directory 2....


Platforms: PHP

E-mail encoder ciphers e-mail address so it can't be found by spam-robots which scanning HTML-pages. It has four encode methods: from simple (not encoded) link up to JavaScript (address extracting is possible only by manual processing). So functionality of the link is completely kept! The program...


Platforms: DOS, Windows