Modernize your mail server. Secure & Modern All-in-One Mail Server (IMAP, JMAP, SMTP).
Self-hosting your mail server has been notoriously difficult. Not anymore! Stalwart is a scalable, secure and robust open-source mail server software designed for the 21st century.
A curated list of resources on Email tools, server, framework, technology...
email & SMTP testing tool with API for developers.
Mailpit is a small, fast, low memory, zero-dependency, multi-platform email testing tool & API for developers. It acts as an SMTP server, provides a modern web interface to view & test captured emails, and contains an API for automated integration testing.
The new email API for developers.
Build, test, and send transactional emails at scale. Resend provides the best developer experience helping you reach users instead of spam folders.
disposable webmail.
Inbucket is an email testing application; it will accept messages for any email address and make them available to view via a web interface.
A fast, highly extensible, and event driven SMTP server.
Haraka is a highly scalable node.js email server with a modular plugin architecture. Haraka can serve thousands of concurrent connections and deliver thousands of messages per second. Haraka and plugins are written in asynchronous JS and are very fast.
Send email from Javascript
SMTP Server + Web Interface for viewing and testing emails during development.
MailDev is a simple way to test your project's generated email during development, with an easy to use web interface that runs on your machine built on top of Node.js.
complete mail server
SMTP + IMAP + POP3 + Antispam + Antivirus
Web administration + Web email ...on your server in ~5 minutes
GreenMail is an open source, intuitive and easy-to-use test suite of email servers for testing purposes.
Typical use cases include mail integration testing or a lightweight sand boxed mail server for development. GreenMail is the first and only library that offers a test framework for both receiving and retrieving emails from Java.