milter

milter manager is a free software to protect you from spam mails and virus mails effectively with milter.

Pure Python-asyncio Milter framework

It's a lightweight, fast and reliable Sendmail milter that implements the Sender Policy Framework

A milter that performs DKIM and ARC signatures.

signing-milter enables you to s/mime sign an ordinary mail while passing a MTA. Base on https://signing-milter.org/ by Andreas Schulze

Correct configuration for mail server on Ubuntu with spf and dkim authentication

Milter interface for the amavis spam filter engine.

OpenPGP milter service to automatically PGP encrypt plaintext emails when possible

Postfix statistics implemented as a milter written in Go

Library of supporting functions, APIs, and tools for SnertSoft BarricadeMX and milters.

Scripts to prevent a mail server from generating backscatter

SPEC files and Patches for OpenDKIM Fedora / EPEL RPMs

Exchange Online Tenant Authorisation Milter (Mail-Filter)

Extracts URLs from a mail message and checks it against one or more URI blacklists.

signing-milter enables you to s/mime sign an ordinary mail while passing a MTA

pymilter-based daemon to safely classify email using dspam

Golang Milter Client

Parse incoming emails for statistics

Milter for filtering emails according MAIL FROM domain.

SPEC files and Patches for OpenDMARC Fedora / EPEL RPMs