Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.

BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr

mailcow: dockerized - 🐮 + 🐋 = 💕

Mail hosting made simple

Rapid spam filtering system.

⚠️ UNMAINTAINED - Simple and full-featured mail server using Docker

OpenBSD Email Service

A set of ansible scripts to build a personal mail server / private cloud / etc.

Self-hosted email server with Docker/Kubernetes support. Features IMAP, SMTP, spam filtering, webmail, and web admin.

Spam Scanner is a Node.js anti-spam, email filtering, and phishing prevention tool and service. Built for @ladjs, @forwardemail, @cabinjs, @breejs, and @lassjs.

poste.io mail server, but with IP management and custom webmail plugins

Simple and full-featured mail server using Docker

Fullstack, security focused, personal mail server based on OpenSMTPD for OpenBSD

Wildduck: dockerized - 🦆+🐋=❤

Thunderbird add-on that shows the spam score your mail server already assigned to each message, in a colour-coded mail-list column with a rule-by-rule breakdown. Reads SpamAssassin, rspamd, MailScanner, OVH, Sophos and more.

Curated Multimaps and Rules for Rspamd

Ansible playbooks to deploy a full featured mail server stack using Docker.

daemon for spam-checking IMAP mailboxes with rspamd

rspamd.com website.

This is a setup for a Tor based mail hosting server