mail-mcp v0.1 — Rust MCP server for Sulkta email
Phase A: mail_send + mail_inbox_list + mail_inbox_read. Replaces
scripts/kayos_mail.py with a typed MCP server. Outbound guarantees Date,
Message-ID (own-domain), User-Agent, MIME-Version, multipart/alternative
for HTML+text, multipart/mixed for attachments, In-Reply-To +
References for threading.
Single account in v0.1 (default_account from config). Phase B adds
multi-account + threading + search; Phase C adds mark + attachments +
reply helper.
Stack: rmcp 0.1 (matches aldabra), lettre 0.11 + tokio-rustls, async-imap
0.10, mail-parser 0.9. Stderr-only logging (stdout is the MCP transport).
Smoke verified 2026-05-21: send -> land -> read kayos@sulkta.com round
trip, DKIM-Signature + Authentication-Results pass at the rspamd relay.
Kayos
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