There are 4 repositories under antispam topic.
Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.
A simple solution for WordPress comment spam.
GDPR compliant, self-hosted CAPTCHA alternative with PoW mechanism and advanced anti-spam filter.
A Discord Bot that allows you to protect your Discord server with captcha, anti profanity, anti nudity image, anti spam, account age required, logs...
„... another popular solution to fight spam is Antispam Bee“ – Matt Mullenweg, Q&A WordCamp Europe 2014
Google ReCAPTCHA v3 for Symfony
Using word vectors to classify spam messages
An forensics tool to help aid in the investigation of spoofed emails based off the email headers.
A Hugo theme component to cloak email adresses
Gojo Satoru is an anime themed group management bot built with python and pyrogram with anti-spam feature
Anti-Spam bot for Discord
The ultimate chat solution. Prevent spam, ads, swears and even bots on your server. Replaced by ChatControl Red: https://mineacademy.org/chatcontrol-red
Postfwd plugin for blocking international spam botnets based on geographical location of IP addresses used to login to postfix via sasl.
Anti Spam/NSFW Telegram Bot Written In Python With Pyrogram.
A PHP API for antispam service cleantalk.org. Invisible protection from spam, no captches, no puzzles, no animals and no math.
Fight against PR spammers
milter manager is a free software to protect you from spam mails and virus mails effectively with milter.
Spam protection tools for django applications.
Ce script permet de se désinscrire massivement de listes de diffusion indésirables de type publicitaire. This script allows the mass unsubscription from unwanted mailing lists.
Mail Toaster 6
:recycle: A friction-less C# HTTP verification client for Google's reCAPTCHA API.
YOURLS plugin: antispam plugin. Checks URL against major DNS black lists and removes all crap.
This new AC System will be build of older/unmaintained AC´s
A Disposable Mailbox Powered by Pure-Python
Extension:Moderation is a powerful anti-spam extension for MediaWiki CMS. It protects small/medium wikis against vandalism by sending all edits/uploads from new users to moderation.
Dockerized spam filter
lists to spam a lot of rubbish ... hand-curated to fight spammers and phishing harassing poor italian (domain.it) mailboxes #spamrevenge
A lightweight plugin that protects email addresses from email-harvesting robots by encoding them into decimal and hexadecimal entities.
Discord Anti Nuke bot with limits, whitelist, blacklist and fully customizable