The classic email sending library for PHP

✉️ 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.

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

短信转发器——监控Android手机短信、来电、APP通知，并根据指定规则转发到其他手机：钉钉群自定义机器人、钉钉企业内机器人、企业微信群机器人、飞书机器人、企业微信应用消息、邮箱、bark、webhook、Telegram机器人、Server酱、PushPlus、手机短信等。包括主动控制服务端与客户端，让你轻松远程发短信、查短信、查通话、查话簿、查电量等。（V3.0 新增）PS.这个APK主要是学习与自用，如有BUG请提ISSUE，同时欢迎大家提PR指正

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

mailcow: dockerized - 🐮 + 🐋 = 💕

Catches mail and serves it through a dream.

A cross-platform .NET library for IMAP, POP3, and SMTP.

Event-driven networking engine written in Python.

Insular email distribution - mail server as Docker images

A fast, highly extensible, and event driven SMTP server

📫 SMTP Server + Web Interface for viewing and testing emails during development.

✉️ Composable all-in-one mail server.

Simple, modern & fast web-based email client

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

An OOB interaction gathering server and client library

All in one email sender for .NET. Supports popular senders (SendGrid, MailGun, etc) and Razor templates.

Golang package that generates clean, responsive HTML e-mails for sending transactional mail

A powerful server and network library, including coroutine, redis client, http, websocket, mqtt with C/C++ for multi-platform including Linux, Android, iOS, MacOS, Windows, etc..