lightmail

The premium Open Source alternative to Amazon SES

🎯 Best for:High-performance mail hosting with cloud-native storage

What is lightmail?

A lightweight mail server implementation that utilizes S3-compatible storage for email data. It leverages Rust's performance and safety to provide a modern alternative to legacy mail daemons.

Tech Stack
RustEmail Clients & Services

Why lightmail?

  • S3 storage backend
  • Memory safety (Rust)
  • Low CPU/RAM footprint

Limitations

  • Early stage project
  • Limited protocol support
  • Small community
1/6/2026
Last Update
0
Forks
0
Issues
MIT
License
Financial Leak Detected

Stop the "SaaS Tax"

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

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

Community Discussion

Comments