oxi
A modern, fast, and secure open-source webmail client. Feature-complete Roundcube replacement that connects to any IMAP/SMTP server.
Next.js
Rust
IMAP/SMTP
Tantivy Search
SQLite
Docker
Fast
Rust backend with async I/O. SQLite cache and Tantivy full-text search for instant results across thousands of emails.
Secure
Memory-safe Rust. No PHP attack surface. HTML sanitization, CSP headers, PGP/S-MIME encryption support.
Modern UI
Clean React frontend with Next.js and Tailwind. Thread view, drag-and-drop, keyboard shortcuts, mobile-responsive.
Drop-in
Connects to any existing mail server. Single Docker image. No bundled mail server, no vendor lock-in.