Open Source PHP Anti-Spam Software

This Plugin provides very simple and powerful captcha for your blog with wide variety of logical methods and models. By displaying different logical captcha with random manner may provide high level of security. Users can select wide variety of methods to display the captcha 1. Sorting in increasing or decreasing order 2. Entering biggest or smallest number 3. Selecting Am or Am Not Spammer using combo box 4. Entering the alphabets 5. Addition or Subtraction 6. Selecting Am Not Spammer using check box

BeanieCaptcha is a simple captcha developed with PHP - JavaScript.

This class is intended to block the action of spam bots or robots (as Captcha), employing inteligent tactics on human detection. Made on PHP.

Mod of the original Faucet-in-a-Box faucet PHP script (based on its revision 69). Includes pre-installed Anti-Bot Links 5.75, full support of user balances, countdown timer and some other improvements and cool features. ======================================== Minimum requirements: PHP 5.4.4+ (5.5 recommended) MySQL (5.6 recommended) ======================================== CHANGELOG { [F] - bugfixes, [+] - new features, [!] - known issues } Current release (version 7): [+]: CACert.pem updated to latest version. [+]: FaucetHub.php was replaced with native FaucetHub library! [+]: Faucet now has page "Currency rate", where you can see USD price of selected currency. [+]: Anti-Bot Links were updated to version 5.75 [F]: + various related fixes & small changes. [!]: Script has no support for FaucetHub's "last_status" code and "checkAddress()" fn (at least, now)

CIDRAM (Classless Inter-Domain Routing Access Manager) is a PHP script designed to protect websites by blocking requests originating from IP addresses regarded as being sources of undesirable traffic, including (but not limited to) traffic from non-human access endpoints, cloud services, spambots, scrapers, etc. It does this by calculating the possible CIDRs of the IP addresses supplied from inbound requests and then attempting to match these possible CIDRs against its signature files (these signature files contain lists of CIDRs of IP addresses regarded as being sources of undesirable traffic); If matches are found, the requests are blocked.

FDNS measures, detects, and notices the extremely anomalous traffic according to the bulk distribution aspect of flooding traffic, including: packet flooding attack, portscan, spam distribution.

Internet Captcha is designed to protect your html forms where users send information to others users or databases. With this captcha only human can complete the security code and only a human will be able to use your web page. The Internet Captcha is free to put in your web, it have a configurator to define the view and a lot of visual effects. Security level is configuable too, you can fix distortion, number turn, distance betwen numbers and doping elements to make difficult automatically detect the code. The captcha is prevalid in the main form and if you fail with the correct code the system can be generate other code in the same page without reload. The captcha is HTML5 compliant and it is compliant with more famous browsers including Internet Explorer 6 and upper.

MailCleaner Open Source Edition is now discontinued but will continue under the spamtagger project https://github.com/SpamTagger [antispam] MailCleaner is an anti-spam / anti-virus filter SMTP gateway with user and admin web interfaces, quarantine, multi-domains, multi-templates, multi-languages. Using Bayes, RBLs, Spamassassin, MailScanner, ClamAV. Based on Debian. Enterprise ready. MailCleaner is an anti spam gateway installed between your mail infrastructure and the Internet. It includes a complete GNU/Linux OS and a graphical web interface for user and administrative access. It comes in the form of virtual machine templates.. - fully compatible with any SMTP mail server (Exchange, Zimbra, O365,...)

MsTasty is a free, PHP-based and modular IRC bot

Panel Management Messaging Panel web management e-mail servers. The system is written in PHP using Symfony 1.2 framework

A scanner named pecker, written in php,It can check dangerous functions with lexical analysis. to scans files for malicious PHP Code. Github : https://github.com/cfc4n/pecker

Home of the Antispam for all fields mod ! Development board > http://www.phpbbantispam.com

MantisBT Plugin to prevent anonymous users from posting URLs in public notes. Please see instructions and additional details on GitHub.

SpamCheck is an email scanner, comprising anti-virus, spam scanning and a quarantine / management interface.

Fork of the official SpamCop plugin for SquirrelMail, containing additional features and fixes.

U L CAPTCHA is based on PHP to fight with spam. This is very easy to modify to suit your need. This package also contains some font-files downloaded from 1001FreeFonts website. Powered By Sourav Ghosh.

It's a php web site to check what amavid-new has put in quarantine. amavid-new must save mail in mysql database.