A scriptable SMTP software

Halon is a scriptable SMTP software for email infrastructure and security, designed for service providers.

Features include:

  • Anti-spam by CYREN and an optimised SpamAssassin
  • Outbound spam filtering and delivery
  • DKIM signing and verification with DMARC
  • Encryption with DANE
  • SPF handling and SRS
  • Bounce verification with BATV
  • Content filtering, also called DLP
  • Rate limiting
  • Scripted routing
  • External API calls
  • Routing by DNS appending
  • Handoff with LMTP
  • Recipient filtering and in-line delivery
  • Proxy mode and fully transparent outbound anti-spam
  • E-mail tracking search filters and logging

If you want more information on how we can help you, fill out the form and we will be in touch shortly!

Halon is already used and appreciated by thousands of hosting and email service providers worldwide.