MCP Email Service

# Legacy Python (Deprecated) This repository used to ship a Python CLI and MCP server. As of the Node rewrite: - End users should install `mailbox` via npm (`mailbox-cli`). - The supported interface is the `mailbox` CLI JSON contract. - Python code and Python-focused docs are kept only for historical reference during the transition. If you see references to `uv`, `pytest`, `src/cli.py`, `setup.py`, or `mcp` in older documents, treat them as legacy.