Tyr - P2P Email メール アプリ 向け Android 説明
Tyr is a revolutionary Android application that provides true peer-to-peer email communication using the Yggdrasil mesh network. Unlike traditional email systems that rely on centralized servers, Tyr runs a complete email server directly on your device.
Key Features:
- True P2P Email - No central servers, no cloud infrastructure. Your device IS the email server.
- Yggdrasil Integration - Built on the Yggdrasil overlay mesh network providing secure, end-to-end encrypted connections.
- Standard Protocols - Exposes SMTP/IMAP protocols on localhost, compatible with standard email clients like DeltaChat.
- Privacy First - All data stays on your device. Encrypted configuration backup with AES-256-GCM encryption.
- DeltaChat Ready - Seamless integration with DeltaChat for instant messaging over email.
- Cryptographic Identity - Your email address is derived from your Ed25519 public key, ensuring authenticity.
- Mesh Networking - Connect via public Yggdrasil peers or configure your own custom peers.
- Battery Optimized - Sophisticated power management with timed wake locks and network monitoring.
- Secure by Design - Password protection using Android Keystore with EncryptedSharedPreferences.
- Backup & Restore - Export and import all settings with optional inclusion of your cryptographic keys.
Technical Details:
The app runs a foreground service that manages the native Yggmail library (Go-based), providing SMTP on port 1025 and IMAP on port 1143 (localhost only). Your mail address format is: <64-hex-characters>@yggmail, cryptographically derived from your Ed25519 key pair.
Perfect For:
- Privacy enthusiasts who want control over their communications
- Users seeking decentralized alternatives to traditional email
- DeltaChat users wanting P2P messaging infrastructure
- Anyone interested in mesh networking technology
Requirements:
- Android 6.0 (API 23) or higher
- Internet connection for initial Yggdrasil peer connections
- Battery optimization exemption recommended for best performance
Join the peer-to-peer email revolution with Tyr.
