A fast, highly extensible, and event driven SMTP server

Emails at the heart of your business logic!

Dovecot mail server

Insular email distribution - mail server as Docker images

CLI to manage emails

📮 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.

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

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

✉️ Composable all-in-one mail server.

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

Mini SMTP server written in golang

C/C++ server and network library, including coroutine,redis client,http/https/websocket,mqtt, mysql/postgresql/sqlite client with C/C++ for Linux, Android, iOS, MacOS, Windows, etc..

A temporary email right from your terminal written in POSIX sh

modern full-featured open source secure mail server for low-maintenance self-hosted email

An IMAP server library written in Go

An email and SMTP testing tool with API for developers