There are 3 repositories under spam-prevention topic.
Nginx Block Bad Bots, Spam Referrer Blocker, Vulnerability Scanners, User-Agents, Malware, Adware, Ransomware, Malicious Sites, with anti-DDOS, Wordpress Theme Detector Blocking and Fail2Ban Jail for Repeat Offenders
Apache Block Bad Bots, (Referer) Spam Referrer Blocker, Vulnerability Scanners, Malware, Adware, Ransomware, Malicious Sites, Wordpress Theme Detectors and Fail2Ban Jail for Repeat Offenders
Apache, Nginx, IIS, uWSGI, Caddy & Varnish blacklist + Google Analytics segments to prevent referrer spam traffic 🤖
Spam Scanner is a Node.js anti-spam, email filtering, and phishing prevention tool and service. Built for @ladjs, @forwardemail, @cabinjs, @breejs, and @lassjs.
List of disposable email domains. You can use it to block fake users on your newsletter.
Der Spam-Filter fĂĽr die Fritz!Box
GDPR compliant, self-hosted CAPTCHA alternative.
Next-generation firewall (NGFW) that supports blocking SocialClub Overlay notifications.
Anti-Spam bot for Discord
Postfwd plugin for blocking international spam botnets based on geographical location of IP addresses used to login to postfix via sasl.
Symfony Form Spam Protection
Captcha for phone calls
How to stop Google Analytics "Ghost" Spam using a well curated list of spam referrer domains and web sites. Simple and easy to use with instructions for creating Segments in Google Analytics using our google-exclude files.
🛡️ Protect websites from spam and other attacks
SpamgourmetReloaded is a remake of the original spamgourmet.com service - made in Kotlin. The project includes a mailserver and a webinterface.
Antispam extension for MediaWiki.
spamassassin blocked-list to avoid traffic from predatory publishers
LUA configuration to filter any POST requests.
A Python interface to the Akismet spam-filtering service.
1C Bitrix anti-spam mod.
IPS Community Suite 4.0 (IP.Board) anti-spam extension.
MyBB Anti-Spam plugin
XenForo anti-spam addon.
Anit-spam extension for Yii2 framework.
Google recaptcha for powermail 3
Anti-spam plugin for Joomla 2.x
Anti-Spam extension to protect Magento against spam bots.
Anti-spam hook for vBulletin 3.X.
An maintained Version of Forlix Floodcheck