💌 A beautiful, fast and fully open source mail client for Mac, Windows and Linux.

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

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

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.

mailcow: dockerized - 🐮 + 🐋 = 💕

Catches mail and serves it through a dream.

Insular email distribution - mail server as Docker images

✉️ Composable all-in-one mail server.

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

Simple, modern & fast web-based email client

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

Cross-platform chatbot framework made with love

Secure & Modern All-in-One Mail Server (IMAP, JMAP, SMTP)

✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chat

CLI to manage emails

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

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

Preflight for HTML email

🐈Medusa是一个红队武器库平台，目前包括XSS平台、协同平台、CVE监控、免杀生成、DNSLOG、钓鱼邮件、文件获取等功能，持续开发中

MailEclipse ⚡ Laravel Mail Editor