Lightweight SMTP client written in Go
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Build Status - Linux Build status - Windows GoDoc MIT License

Hectane is both a Go package providing an SMTP queue for sending emails and a standalone application that exposes this functionality via an HTTP API.


  • Ability to attach files to emails
  • Support for TLS encryption and HTTP basic auth
  • Mail queue that efficiently delivers emails to hosts
  • Emails in the queue are stored on disk until delivery
  • MX records for the destination host are tried in order of priority
  • Run the application as a service on Windows


Documentation for Hectane can be found below:


In addition to the files on the releases page, Hectane can be installed from any of the sources below: