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.