chatmail

NixOS-based chatmail server

Formal specifications for chatmail

Async Rust implementation of SMTP

Native TLS for futures and async-std

Docker images + Compose for all the chatmail components tied together

Mastodon ↔️ Chatmail bridge

Lightweight self-hosted admin/control-plane panel for a chatmail server stack

Delta Chat bot for community catalog — find groups, channels, bots and Telegram mirrors

Chatmail bindings for Golang

Database of Email Providers and how well they work with chatmail

Notify devices

RISEPulse is a high-performance SMTP/IMAP benchmarking suite. It is designed to stress-test Deltachat relays, mail servers, and network queues under extreme, concurrent workloads.

An ergonomic JSON-RPC server library in Rust with autocreated TypeScript client and OpenRPC specification

List of public chatmail bots

Async IMAP implementation in Rust

Small, dependency-free admin scripts for chatmail relays: count accounts and live IMAP load, and send the numbers to ntfy or Uptime Kuma.

chatmail service deployment scripts and docs

experimental ai-coded patches to run chatmail core and Delta Chat Desktop Client standalone in the Browser (with local TCP proxy)

🐳 Build a secure and transparent environment for Android development with SwapLab Desktop's core engine using our public Dockerfile.

Test Delta Chat calls between chatmail relays: signaling, TURN, WebRTC audio echo, RTT/loss/jitter