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simple-email-server

The premium Open Source alternative to Amazon SES

🎯 Best for:Organizations requiring a high-performance, independent email infrastructure.
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What is simple-email-server?

Replaces resource-heavy mail transfer agents like Postfix or Exim. Leverages Go's concurrency model to provide a high-throughput, self-hosted SMTP solution.

Tech Stack
GoEmail Clients & Services

Why simple-email-server?

  • • High throughput
  • • Low memory footprint
  • • Compiled binary execution

Limitations

  • • Complex SMTP configuration
  • • Requires deliverability management
  • • No built-in GUI
7/2/2025
Last Update
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Forks
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MIT
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to simple-email-server instantly boosts your runway.

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

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