A

anti-spam

amavis is a high-performance email content filter framework written in Perl.

A mail content scanner for postfix written in python

A Django app that provides IP-based blocklisting via middleware. Originally developed for use on https://dpaste.com

A policy daemon for postfix written in python

DomainVoider is dedicated to providing AdGuard Pro for iOS users with a custom built, privacy & security focused, simplified ad-blocking filter. Included are active malware domains from https://urlhaus.abuse.ch

https://iosprivacy.com/domainvoider

A WPezToolbox bundle of Anti-spam plugins.