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Home arrow-right Haraka

We've compiled a list of 6 free and paid alternatives to Haraka. The primary competitors include Postfix, Sendmail. In addition to these, users also draw comparisons between Haraka and Mail-in-a-box, Exim, OpenSMTPD. Also you can look at other similar options here: About.

Free Open Source

Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.

Free Open Source

Sendmail is a general purpose internetwork email routing facility that supports many kinds of...

Free Open Source

Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix...

Free Open Source

OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with...

Free Open Source

NikaMail is a portable, extendable, zero-config email server.

Open source SMTP server written in Node.js

Haraka Overview

Haraka is an open source SMTP server written in Node.js which provides extremely high performance coupled with a flexible plugin system allowing Javascript programmers full access to change the behaviour of the server. It is used heavily in some high traffic sites - see the "Known Users" link above for testimonials.

Haraka Features

tick-square Support for Javascript

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