Atomic Mail Agentic

Atomic Mail Agentic gives autonomous AI agents their own real inbox to manage end-to-end — no human setup, verification or intervention. A novel proof-of-work signup delivers a real mailbox in ~30 seconds (no CAPTCHA, credit card or domain ops), and it's built on JMAP (RFC 8620), the standard mailbox API LLMs already know, so agents read, send, reply, draft, search and manage threads reliably with fewer retries. Agents can draft for human approval or send autonomously at a trust level you set. In open alpha, free to use. Featured on Product Hunt (June 21, 2026).