Relate MailFull-Stack Email Platform

Self-hosted email server with SMTP, POP3, IMAP, REST API, and modern clients for web, mobile, and desktop.

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Complete Email Protocols

Full implementations of SMTP (submission + MX inbound), POP3 (RFC 1939), and IMAP4rev2 (RFC 9051) — all sharing a single PostgreSQL database.

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REST API & Real-Time

A comprehensive REST API for inbox management, composing, filters, labels, and preferences. SignalR WebSocket hub delivers real-time notifications to connected clients.

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Web, Mobile & Desktop Clients

A React + Vite web app, a React Native (Expo) mobile app, and a Tauri 2 desktop app — all sharing a common UI component and type library.

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Docker-Ready Deployment

Multi-service Docker Compose setup with pre-built images on GitHub Container Registry. Supports amd64 and arm64 architectures out of the box.

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Flexible Authentication

Dual authentication model supporting OIDC/JWT for first-party users and scoped API keys for third-party integrations, mobile, and desktop clients.

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Clean Architecture

.NET 10 backend following Clean Architecture principles with clear separation between domain, infrastructure, and presentation layers. Independently scalable protocol services.