rustmailer
The premium Open Source alternative to Nylas
🎯 Best for:Building applications that require robust, multi-provider email connectivity.
What is rustmailer?
A high-performance email abstraction layer that replaces direct provider integrations with a unified middleware. It supports IMAP, SMTP, Gmail, and Graph APIs, providing a standardized interface for developers.
Tech Stack
RustBackend & Auth
Why rustmailer?
- • Memory safety (Rust)
- • Low resource overhead
- • Multi-API support
Limitations
- • No graphical interface
- • Requires Rust knowledge
- • Complex initial config
3/5/2026
Last Update
23
Forks
6
Issues
Other
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to rustmailer instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Nylas)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%