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Awesome lists tracked: 149
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22 repos shown

Topic: smtp

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knadh/listmonk

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

Stack

Go Bun Go modules npm

GitHub topics

#campaign #campaign-management #email-marketing #email-subscription #listmonk #mailing-list

Updated: 2026-10-17
Lists: 3 list mentions
First commit: 2018-10-25
History: 133 history points
License: AGPL-3.0
Issues: 89 open

23,814

stars

Forks: 2,685
Commits: 2,219 commits
Star growth, last 7 days: +73 +0.3%
Commit velocity, last 7 days: +43 +2.0%

Website GitHub

docker-mailserver/docker-mailserver

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

Stack

Shell

GitHub topics

#container #dovecot #fail2ban #imap #ldap #mail

Updated: 2026-10-04
Lists: 1 list mention
First commit: 2015-03-28
History: 8 history points
License: MIT
Issues: 89 open

18,903

stars

Forks: 2,050
Commits: 2,999 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

postalserver/postal

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

Stack

Ruby Ruby on Rails Bundler

GitHub topics

#mail #mail-server #postal #ruby #smtp

Updated: 2026-09-19
Lists: 5 list mentions
First commit: 2017-04-19
History: 10 history points
License: MIT
Issues: 95 open

16,839

stars

Forks: 1,298
Commits: 659 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

mail-in-a-box/mailinabox

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.

Stack

Python PEP 517

GitHub topics

#email #mail #server #smtp

Updated: 2026-09-01
Lists: 2 list mentions
First commit: 2013-08-21
History: 8 history points
License: CC0-1.0
Issues: 615 open

15,414

stars

Forks: 1,547
Commits: 2,178 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

stalwartlabs/stalwart

All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

Stack

Rust Axum Cargo

GitHub topics

#caldav #carddav #imap #jmap #mail #pop3

Updated: 2026-09-12
Lists: 3 list mentions
First commit: 2023-03-06
History: 8 history points
License: Unknown
Issues: 68 open

14,638

stars

Forks: 939
Commits: 1,777 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

mailcow/mailcow-dockerized

mailcow: dockerized - 🐮 + 🐋 = 💕

Stack

JavaScript Symfony Composer

GitHub topics

#acme #clamav #docker #docker-compose #dovecot #groupware

Updated: 2026-09-16
Lists: 2 list mentions
First commit: 2016-12-09
History: 8 history points
License: GPL-3.0
Issues: 522 open

13,439

stars

Forks: 1,797
Commits: 7,672 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

Mailu/Mailu

Insular email distribution - mail server as Docker images

Stack

Python npm PEP 517 pip

GitHub topics

#dkim #dmarc #docker #docker-compose #email #fetchmail

Updated: 2026-10-09
Lists: 3 list mentions
First commit: 2016-01-10
History: 9 history points
License: NOASSERTION
Issues: 105 open

7,549

stars

Forks: 1,011
Commits: 5,255 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

sj26/mailcatcher

Catches mail and serves it through a dream.

AI dev

Stack

Ruby Sinatra Bundler

GitHub topics

#development #devtools #mail #rails #ruby #rubygems

Updated: 2026-09-16
Lists: 2 list mentions
First commit: 2010-10-25
History: 7 history points
License: MIT
Issues: 43 open

6,779

stars

Forks: 605
Commits: 640 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

foxcpp/maddy

✉️ Composable all-in-one mail server.

AI dev

Stack

Go gRPC Go Go modules

GitHub topics

#dkim #dmarc #email #imap #mail #smtp

Updated: 2026-10-03
Lists: 2 list mentions
First commit: 2016-11-07
History: 8 history points
License: GPL-3.0
Issues: 136 open

6,099

stars

Forks: 328
Commits: 1,703 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

twisted/twisted

Event-driven networking engine written in Python.

Stack

Python PEP 517 pip

GitHub topics

#async #async-python #dns #event-driven #http #imap

Updated: 2026-10-06
Lists: 1 list mention
First commit: 2001-07-09
History: 9 history points
License: NOASSERTION
Issues: 2,833 open

5,992

stars

Forks: 1,225
Commits: 32,004 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

haraka/Haraka

A fast, highly extensible, and event driven SMTP server

AI dev

Stack

JavaScript Express npm

GitHub topics

#dkim #haraka #javascript #mta #nodejs #smtp

Updated: 2026-09-05
Lists: 2 list mentions
First commit: 2011-03-10
History: 8 history points
License: MIT
Issues: 1 open

5,616

stars

Forks: 713
Commits: 4,807 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

RainLoop/rainloop-webmail

Simple, modern & fast web-based email client

Archived

Stack

PHP Composer npm Yarn

GitHub topics

#imap #javascript #js #mail #php #rainloop

Updated: 2024-08-20
Lists: 1 list mention
First commit: 2013-09-24
History: 7 history points
License: MIT
Issues: 934 open

4,114

stars

Forks: 1,025
Commits: 1,733 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

kootenpv/yagmail

Send email in Python conveniently for gmail using yagmail

Stack

Python PEP 517 pip

GitHub topics

#email #hacktoberfest #hacktoberfest2021 #magic #mime-types #python

Updated: 2026-05-26
Lists: 1 list mention
First commit: 2015-04-17
History: 10 history points
License: MIT
Issues: 111 open

2,736

stars

Forks: 266
Commits: 320 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

GitHub

emersion/hydroxide

A third-party, open-source ProtonMail CardDAV, IMAP and SMTP bridge

Archived

Stack

Go Go modules

GitHub topics

#carddav #imap #mail #protonmail #smtp

Updated: 2026-08-02
Lists: 1 list mention
First commit: 2017-08-21
History: 7 history points
License: MIT
Issues: 96 open

2,174

stars

Forks: 185
Commits: 299 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

cypht-org/cypht

Cypht: Lightweight Open Source webmail aggregator [PHP, JS]. Supports IMAP/SMTP, JMAP and EWS (Exchange Web Services)

Stack

PHP Symfony Composer pip

GitHub topics

#atom #e-mail #ews #imap #jmap #news-reader

Updated: 2026-10-07
Lists: 1 list mention
First commit: 2014-02-14
History: 8 history points
License: LGPL-2.1
Issues: 141 open

1,758

stars

Forks: 250
Commits: 7,634 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

forwardemail/forwardemail.net

Privacy-focused encrypted email for everyone. All-in-one alternative to Gmail + Mailchimp + Sendgrid.

AI dev

Stack

JavaScript npm pnpm

GitHub topics

#aes256 #chacha20 #custom #domain #email #encrypted

Updated: 2026-10-13
Lists: 1 list mention
First commit: 2020-01-10
History: 70 history points
License: NOASSERTION
Issues: 74 open

1,684

stars

Forks: 208
Commits: 5,115 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: +2 0.0%

Website GitHub

dovecot/core

Dovecot mail server

AI dev

Stack

C Meson PEP 517

GitHub topics

#email #imap #imap4 #lmtp #mail #pop3

Updated: 2026-10-04
Lists: 1 list mention
First commit: 2002-08-09
History: 8 history points
License: NOASSERTION
Issues: Disabled

1,260

stars

Forks: 358
Commits: 37,630 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

mguessan/davmail

DavMail POP/IMAP/SMTP/CalDAV/CardDAV/LDAP Exchange and Office 365 Gateway - Synced with main subversion repository at

Stack

Java Maven

GitHub topics

#caldav #carddav #exchange #exchange-server #gateway #imap

Updated: 2026-10-15
Lists: 1 list mention
First commit: 2006-12-12
History: 8 history points
License: GPL-2.0
Issues: 51 open

767

stars

Forks: 118
Commits: 4,394 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

c410-f3r/wtx

Written by humans. WTX is a collection of different transport implementations and related tools focused primarily on web technologies.

Stack

Rust Cargo

GitHub topics

#api #certificate #cli #database #email #embedded

Updated: 2026-10-14
Lists: 3 list mentions
First commit: 2023-08-28
History: 2 history points
License: MPL-2.0
Issues: 6 open

403

stars

Forks: 14
Commits: 893 commits
Star growth, last 7 days: -1 -0.2%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

buggregator/trap

A local debug server and utilities set for PHP projects

Stack

PHP Symfony Composer

GitHub topics

#buggregator #bugregator #cli #composer #composer-package #console

Updated: 2026-09-08
Lists: 1 list mention
First commit: 2023-05-13
History: 1 history point
License: BSD-3-Clause
Issues: 34 open

276

stars

Forks: 16
Commits: 652 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

codefuturist/email-mcp

Email MCP server with full IMAP + SMTP support — read, search, send, manage, and organize email from any AI assistant via the Model Context Protocol

AI dev

Stack

TypeScript Express Vite npm pnpm

GitHub topics

#ai #claude #email #imap #imapflow #llm

Updated: 2026-08-21
Lists: 1 list mention
First commit: 2026-02-18
History: 9 history points
License: LGPL-3.0
Issues: 60 open

108

stars

Forks: 53
Commits: 79 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

GitHub

mocktools/ruby-smtp-mock

💎 Ruby SMTP mock. Mimic any 📤 SMTP server behavior for your test environment with fake SMTP server.

Stack

Ruby Bundler

GitHub topics

#fake-server #fake-smtp-server #hacktoberfest #mock #mock-server #mocktools

Updated: 2024-10-29
Lists: 1 list mention
First commit: 2022-01-02
History: 6 history points
License: MIT
Issues: 0 open

stars

Forks: 3
Commits: 98 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

GitHub

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