Mail-Server-Backend

The premium Open Source alternative to Mailgun

🎯 Best for:Applications requiring deep integration with email workflows
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What is Mail-Server-Backend?

A production-ready SMTP server that exposes email processing and management via a RESTful API. It features modular architecture for handling attachments, authentication, and robust email routing.

Tech Stack
JavaScriptEmail Clients & Services

Why Mail-Server-Backend?

  • Developer-friendly API
  • Modular architecture
  • Secure authentication

Limitations

  • Requires API integration
  • No standard webmail
  • Maintenance overhead
8/28/2025
Last Update
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Forks
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Issues
Apache-2.0
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to Mail-Server-Backend 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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