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

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.

A fullstack but simple mailserver (smtp, imap, antispam, antivirus, ssl...) using Docker.

Catches mail and serves it through a dream.

Jodd v5! Lightweight. Java. Zero dependencies. Use what you like.

Simple, modern & fast web-based email client

Now playing controller from Apple Music, Mail & Podcasts Apple's apps.

Insular email distribution - mail server as Docker images

Preflight for HTML email

专注批量推送的小而美的工具，目前支持：模板消息-公众号、模板消息-小程序、微信客服消息、微信企业号/企业微信消息、阿里云短信、阿里大于模板短信 、腾讯云短信、云片网短信、E-Mail、HTTP请求、钉钉、华为云短信、百度云短信、又拍云短信、七牛云短信

✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.freenode.net

The best free email forwarding for custom domains. Visit our website to get started (SMTP server)

MailEclipse ⚡ Play with your Laravel Mailables easily!

Send email to any SMTP server like a boss, in Swift and cross-platform

📥 An IMAP library for clients and servers

a self-hosted disposable mail service

Local, web-based mail server application. Slurp mails into oblivion!

🚝 "Scala on Rails" - A full-stack web app framework for rapid development in Scala

Catch incoming emails in your Laravel application

Unofficial, free and open-source Inbox by Gmail Desktop App

A fully tested email parser for PHP 7.2+ (mailparse extension wrapper).

Create and validate signed URLs with a limited lifetime

📤 An SMTP client & server library written in Go

Golang package for email validation

Dovecot mail server

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

MFCMAPI