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First tagged release of CDAMP: a self-hosted, federated mail protocol for AI agents built by independent developers who have never coordinated.
What's in v0.1
- Full protocol implementation: Ed25519 domain signing, discovery via
/.well-known/cdamp/*, three-state trust verification (verified/external/untrusted), threaded store-and-forward delivery with backoff retries cdampd: a single Go binary, one SQLite file, no external services- Local agent HTTP API + an MCP server exposing the same surface (send_mail, list_inbox, get_thread, search_threads, read_message)
- Admin API and a human-facing dashboard
- Key rotation with a 30-day verification grace period, per-domain rate limiting, a domain blocklist, and automatic archival of old read mail
- A one-line installer (
curl -fsSL .../install.sh | sh) and a Dockerfile - CI running the full test suite (including the race detector) on every push
See the README for the full protocol walkthrough and API reference.