MCP server for IMAP/SMTP email — 22 typed tools (read/send/reply/forward/move/flag/folder mgmt), multi-user, CF Access OIDC, DCR proxy, rate limits, send idempotency, ICS invites.
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# cpanel-mail-mcp MCP server for IMAP/SMTP email accounts — works with cPanel, Gmail (app passwords), Outlook, Fastmail, iCloud, or any provider that speaks plain IMAP + SMTP. ## Features * **22 typed MCP tools** — one per operation with Pydantic input/output schemas, tool annotations (`readOnlyHint`/`destructiveHint`/…), and actionable error messages * **Full mailbox management** — read, search, threading, move, copy, flag, star, delete, reply, forward, drafts, calendar invites, folder create/delete/rename * **Multi-user server mode** — one instance, many users, each with their own bearer token and mailbox (per-request isolation) * **OAuth 2.1 via Cloudflare Access** — optional SSO (Google / GitHub / Email OTP) instead of shared bearer tokens; server exposes RFC 9728 protected-resource metadata, RFC 8414 AS metadata, and RFC 7591 DCR — proxied over CF Access SaaS OIDC * **Idempotent sends** — pass `idempotency_key` on `send_email`/`reply_email`/`forward_email`/`send_invite` to safely retry after client timeouts * **Per-caller rate limiting** — sliding window (send: 30/min, read: 300/min defaults), tunable per bucket * **Attachment size guard** — configurable cap (default 25 MB total) * **Multi-account** — manage multiple email accounts from different providers * **Read, search, list** — full IMAP support with folder browsing * **Send emails** — plain text, HTML, or both (multipart/alternative) * **Attachments** — send via file path or base64-encoded inline data * **Download attachments** — extract attachments from received emails as base64 * **Calendar invites** — send proper ICS invitations with Accept/Decline buttons * **Save to Sent** — automatically saves sent emails to the Sent folder via IMAP * **Optional send gate** — configurable confirmation code to prevent accidental sends * **International folders** — handles UTF-7 encoded folder names (German, etc.) * **Compact MCP surface** — one `email` tool with lazy action discovery to reduce client context us…
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