SMTP Router

A lightweight SMTP server written in Go.

What is SMTP Router?

It's an SMTP server written in Go. Server does flow as:

• Receives mail traffic,
• Read TO field,
• By TO field it detects what oncall schedule to read (.csv file)
• It reads the correspodning oncall schedule and detects oncall TO list for the moment, and forwared the email to that TO list.

its on prem, simple version of xMatters/PageDuty.

Features

Main Features

• Config hot-reloading. Add/Remove/Enable/Disable servers without restarting. Reload TLS configuration, change most other settings on the fly.
• Be a gentleman to the garbage collector: resources are pooled & recycled where possible.
• Modern TLS support (STARTTLS or SMTPS).
• Dynamic file reload

Backend Features

• Arranged as workers running in parallel, using a producer/consumer type structure, taking advantage of Go's channels and go-routines.

Dependencies

Thanks to:

• https://github.com/dvcrn
• https://github.com/athoune
• https://github.com/Xeoncross