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Awesome lists tracked: 125
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20 repos shown

Topic: smtp

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Promote a GitHub repo at the top of Awesome repository list views for 7 days.

knadh/listmonk

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

Stack

Go React Vite Vue Go modules pip Yarn

GitHub topics

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

Updated: 2026-07-16
Lists: 3 list mentions
First commit: 2018-10-25
History: 46 history points
License: AGPL-3.0
Issues: 101 open

22,161

stars

Forks: 2,399
Commits: 2,019 commits
Star growth, last 7 days: +127 +0.6%
Commit velocity, last 7 days: +2 +0.1%

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

#antispam #antivirus #container #docker #dovecot #fail2ban

Updated: 2026-07-06
Lists: 1 list mention
First commit: 2015-03-28
History: 5 history points
License: MIT
Issues: 110 open

18,467

stars

Forks: 2,018
Commits: 2,943 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: 2026-06-23
Lists: 5 list mentions
First commit: 2017-04-19
History: 7 history points
License: MIT
Issues: 89 open

16,643

stars

Forks: 1,254
Commits: 657 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: 2026-05-24
Lists: 2 list mentions
First commit: 2013-08-21
History: 6 history points
License: CC0-1.0
Issues: 612 open

15,366

stars

Forks: 1,544
Commits: 2,174 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

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: 2026-07-16
Lists: 3 list mentions
First commit: 2023-03-06
History: 6 history points
License: Unknown
Issues: 77 open

13,678

stars

Forks: 836
Commits: 1,598 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

mailcow/mailcow-dockerized

mailcow: dockerized - 🐮 + 🐋 = 💕

Stack

JavaScript Symfony Composer

GitHub topics

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

Updated: 2026-07-15
Lists: 2 list mentions
First commit: 2016-12-09
History: 6 history points
License: GPL-3.0
Issues: 512 open

13,115

stars

Forks: 1,747
Commits: 7,621 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

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: 2026-07-09
Lists: 3 list mentions
First commit: 2016-01-10
History: 6 history points
License: NOASSERTION
Issues: 122 open

7,351

stars

Forks: 986
Commits: 5,150 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.

Stack

Ruby Sinatra Bundler

GitHub topics

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

Updated: 2024-05-25
Lists: 1 list mention
First commit: 2010-10-25
History: 4 history points
License: MIT
Issues: 47 open

6,765

stars

Forks: 603
Commits: 586 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: 2026-07-02
Lists: 2 list mentions
First commit: 2016-11-07
History: 5 history points
License: GPL-3.0
Issues: 136 open

6,028

stars

Forks: 323
Commits: 1,683 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: 2026-07-06
Lists: 1 list mention
First commit: 2001-07-09
History: 6 history points
License: NOASSERTION
Issues: 2,806 open

5,973

stars

Forks: 1,214
Commits: 31,524 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: 2026-06-12
Lists: 2 list mentions
First commit: 2011-03-10
History: 6 history points
License: MIT
Issues: 3 open

5,606

stars

Forks: 707
Commits: 4,800 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

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: 4 history points
License: MIT
Issues: 934 open

4,121

stars

Forks: 997
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: 7 history points
License: MIT
Issues: 111 open

2,731

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

Stack

Go Go modules

GitHub topics

#carddav #imap #mail #protonmail #smtp

Updated: 2026-05-14
Lists: 1 list mention
First commit: 2017-08-21
History: 5 history points
License: MIT
Issues: 93 open

2,166

stars

Forks: 170
Commits: 297 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

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: 2026-07-16
Lists: 0 list mentions
First commit: 2020-01-10
History: 46 history points
License: NOASSERTION
Issues: 55 open

1,625

stars

Forks: 197
Commits: 4,837 commits
Star growth, last 7 days: +8 +0.5%
Commit velocity, last 7 days: +40 +0.8%

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: 2026-07-06
Lists: 1 list mention
First commit: 2014-02-14
History: 5 history points
License: LGPL-2.1
Issues: 135 open

1,619

stars

Forks: 220
Commits: 7,451 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

dovecot/core

Dovecot mail server

AI dev

Stack

C PEP 517

GitHub topics

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

Updated: 2026-07-06
Lists: 1 list mention
First commit: 2002-08-09
History: 5 history points
License: NOASSERTION
Issues: Disabled

1,224

stars

Forks: 344
Commits: 36,806 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: 2026-07-11
Lists: 1 list mention
First commit: 2006-12-12
History: 5 history points
License: GPL-2.0
Issues: 76 open

742

stars

Forks: 110
Commits: 4,130 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: 2026-05-20
Lists: 1 list mention
First commit: 2026-02-18
History: 7 history points
License: LGPL-3.0
Issues: 26 open

stars

Forks: 37
Commits: 79 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

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: 3 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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