Self Hosted Communication systems Email

60 Email software solutions and projects

• Mail-in-a-Box

  9.2 8.7 L3 Python

  Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.
  

• Listmonk

  9.2 9.1 Go

  High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.

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• Postal

  9.1 9.3 Ruby

  📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail
  

• MailHog

  9.1 0.0 Go

  Web and API based SMTP testing
  

• docker-mailserver

  9.0 8.7 Shell

  DISCONTINUED. A fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) using Docker. [Moved to: https://github.com/docker-mailserver/docker-mailserver]
  

• Mautic

  8.9 9.9 L2 PHP

  Mautic: Open Source Marketing Automation Software.
  

• Mailcow

  8.7 9.3 JavaScript

  mailcow: dockerized - 🐮 + 🐋 = 💕
  

• Mailpile

  8.7 4.0 L2 Python

  A free & open modern, fast email client with user-friendly encryption and privacy features
  

• Roundcube

  8.5 9.6 L3 PHP

  The Roundcube Webmail suite
  

• LibreNMS

  8.3 9.8 L2 PHP

  Community-based GPL-licensed network monitoring system
  

• Mail For Good

  8.3 0.0 JavaScript

  DISCONTINUED. An open source email campaign management tool for nonprofits
  

• Mailu

  8.2 9.4 Python

  Insular email distribution - mail server as Docker images
  

• MailCatcher

  8.2 5.2 L5 Ruby

  Catches mail and serves it through a dream.

• Tutanota makes encryption easy

  8.1 9.9 TypeScript

  Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.
  

• Mailtrain

  8.1 0.0 JavaScript

  Self hosted newsletter app
  

• Haraka

  8.0 8.5 L3 JavaScript

  A fast, highly extensible, and event driven SMTP server
  

• RainLoop

  7.9 0.0 L3 PHP

  Simple, modern & fast web-based email client

• ProtonMail Web Client

  7.8 10.0 TypeScript

  Monorepo hosting the proton web clients
  

• SimpleLogin

  7.8 9.1 Python

  The SimpleLogin back-end and web app
  

• Modoboa

  7.1 9.5 L5 Python

  Mail hosting made simple
  

• AnonAddy

  7.0 7.8 PHP

  Anonymous email forwarding
  

• formspree

  7.0 0.0 L3 Python

  DISCONTINUED. The successor to this repository is actively maintained at https://formspree.io. Its source code is not available
  

• wildduck

  6.4 9.1 JavaScript

  Opinionated email server
  

• DebOps

  6.0 8.3 Jinja

  DebOps - Your Debian-based data center in a box
  

• Mailman

  5.9 0.0 L5 Ruby

  DISCONTINUED. The Gnu mailing list server.

• Dovecot

  5.6 9.7 L3 C

  Dovecot mail server
  

• Maildrop

  5.5 0.0 CSS

  DISCONTINUED. Disposable email SMTP server, also useful for development.

• Cypht

  5.3 9.7 L4 PHP

  Cypht: Lightweight Open Source webmail aggregator [PHP, JS]
  

• phpList

  5.3 4.3 PHP

  Fully functional Open Source email marketing manager for creating, sending, integrating, and analysing email campaigns and newsletters.
  

• Exim

  5.2 9.5 L1 C

  Exim Mail Transport Agent - source, testsuite and documentation
  

• Disposable Mailbox

  4.6 0.0 PHP

  DISCONTINUED. Simple disposable mailbox web-app based on a catch-all IMAP mailbox.

• OpenSMTPD

  4.5 8.6 L2 C

  This is official OpenSMTPD Portable repository. Forks, pull requests and other contributions are welcome!
  

• WebMail Lite

  4.5 0.0 L2 PHP

  AfterLogic WebMail Lite PHP. Fast and easy-to-use webmail front-end for your existing IMAP mail server, Plesk or cPanel.
  

• MailyHerald

  4.3 0.0 L5 Ruby

  Advanced email processing solution for Ruby on Rails applications
  

• homebox

  4.0 9.4 Shell

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

• Ptorx

  3.4 0.0 TypeScript

  DISCONTINUED. 📩🛡 Email privacy. Anonymously send and receive with alias forwarding. (Abandoned)
  

• MailCare

  3.1 0.0 PHP

  DISCONTINUED. [MIRRORING REPOSITORY] See https://gitlab.com/mailcare/mailcare. MailCare is an open source disposable email address services. Accessible via web browser or API to protect your privacy right now.

• Isotope Mail

  3.1 0.0 JavaScript

  Isotope Mail Client

• Inboxen

  3.0 0.0 Python

  DISCONTINUED. Main repo for Inboxen.org
  

• Dada Mail

  3.0 7.7 L3 Perl

  Self-Hosted, Full Featured, Email Mailing List Manager. Announcement + Discussion Lists, Web-based Installer, Installs with minimal dependencies, sendmail/SMTP/Amazon SES supported

• Slimta

  2.9 2.8 L5 Python

  Python libraries to send, receive, and queue email.
  

• AnsiMail

  2.5 0.0 Jinja

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

• Courier MTA

  2.0 7.3 L1 C

  Courier Mail Server

• iRedMail

  1.1 -

  Full-featured mail server solution based on Postfix and Dovecot.

• Piler

  1.1 -

  feature rich open source email archiving solution.

• Lightmeter

  1.0 0.0

  Lightmeter uses GitLab, not GitHub -- find repos at: https://gitlab.com/lightmeter
  

• Qmail

  1.0 0.0

  Bind to different local ip addresses depending on the domain part of the sender argument when using `qmail-remote`.

• Simple NixOS Mailserver

  -

  A complete mailserver solution leveraging the Nix Ecosystem.

• Qmailtoaster

  -

  Stable, full-featured, easy-to-install mail server based on qmail.

• IMP

  -

  HORDE application that provides webmail access to IMAP and POP3 accounts.

• Schleuder

  -

  A GPG-enabled mailing list manager with resending-capabilities.

• Postfix

  -

  Fast, easy to administer, and secure Sendmail replacement.

• SquirrelMail

  -

  Another browser-based IMAP client.

• HyperKitty

  -

  Open source Django application to provide a web interface to access GNU Mailman v3 archives.

• Postorius

  -

  Web user interface to access GNU Mailman.

• Sendmail

  -

  Message transfer agent

• Cyrus IMAP/POP3

  -

  Intended to be run on sealed servers, where normal users are not permitted to log in.

• Citadel

  -

  Feature packed, easy, versatile, and powerful mail server, thanks to exclusive "rooms" based architecture.

• Sympa

  -

  A mailing list manager.

• chasquid

  -

  SMTP

* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.

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