email_server

The premium Open Source alternative to Mailgun

🎯 Best for:Internal applications requiring a simple, fast way to send automated notifications.

What is email_server?

An open source alternative to Mailgun for internal application alerts. It is a standalone Go binary designed for high-speed mail delivery within private networks using specific accounts.

Tech Stack
GoBackend & Auth

Why email_server?

  • Fast Go execution
  • Simple configuration
  • No external dependencies

Limitations

  • Basic feature set
  • No analytics dashboard
  • Limited documentation
1/26/2026
Last Update
1
Forks
2
Issues
MIT
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to email_server instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on Mailgun)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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