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At its core, Halon is a scriptable SMTP server
Halon SMTP software,
the scriptable email gateway for service providers.
  • Current version
  • Halon 3.5-r5p4
  • FreeBSD 10.3

Halon is a scriptable email gateway and anti-spam filter (MTA or proxy) with many features and an extensive ecosystem; probably best described as an email delivery and security platform. It is used primarily by web hosting providers, and powers some of the world's most popular mail servers.[1]

Getting started

The software can be downloaded for free and installed on any x86-64 server/computer or as a virtual machine. Supplementary software is available on our GitHub page.

Documentation

Halon consolidates all the functionality needed in front of email servers

This informational website is arranged as a wiki. Below are a list of the most requested articles for your convenience.

SMTP and e-mail

Programming and integration

System and management

References

  1. http://research.domaintools.com/statistics/mailservers/