Haraka — Email MTA (Open Source)

Haraka is an open-source Email MTA solution. Compare it against 3 other Email MTA tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is Haraka?

Haraka is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under Email MTA. Buyers typically evaluate Haraka when they need a dependable Email MTA option and want to weigh the trade-offs between free, open-source and paid tools before committing.

Haraka alternatives

If Haraka isn't the right fit, compare these Email MTA alternatives side by side:

EximOpenSMTPDPostfix

Frequently asked questions

Is Haraka free?
Yes. Haraka is open source and free to use, with no purchase cost for the core product.
What are the best Haraka alternatives?
Popular Email MTA alternatives to Haraka include Exim, OpenSMTPD, Postfix. See the full list of Email MTA on FreeSoftwareX.
What type of software is Haraka?
Haraka is an open-source Email MTA tool.

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