MachineMail gives AI agents real email inboxes: every agent gets its own address over MCP or API, with a trust report and level on every inbound message (hidden instructions stripped before the agent reads a word), custom domains, catch-all addresses and webhooks.
The free plan covers a monthly message allowance; paid plans start above it. Distinct from Agent Inbox: MachineMail is developer email infrastructure with a trust-scored inbox API, not a messaging handle across email, Slack and Telegram.
| Pricing | Freemium |
|---|---|
| Category | Automation & Agents |
| Company | MachineMail |
| Best for | Developers giving AI agents real email addresses without opening the door to prompt injection |
| Official website | machinemail.dev |
Automation and agent tools promise to do work for you, so judge them on reliability before cleverness. Map the exact workflow you want to automate, then check the tool's integrations cover every app in that chain — one missing connector breaks the whole flow. Look for clear triggers, sensible limits, and logs you can read when something goes wrong, because something eventually will. For agents that act on your behalf, approval controls matter: you should be able to review messages, purchases or changes before they happen, especially at the start. Pricing usually scales with runs or tasks, so estimate your monthly volume honestly. Start with one low-risk workflow, measure the time it truly saves, and expand from there.
MachineMail gives AI agents real email inboxes: every agent gets its own address over MCP or API, with a trust report and level on every inbound message (hidden instructions stripped before the agent reads a word), custom domains, catch-all addresses and webhooks.
MachineMail offers Real email inboxes for AI agents, over MCP or API, Every agent gets its own address, A trust report and level on every inbound message, Hidden instructions stripped before the agent reads a word and Custom domains, catch-all addresses and webhooks.
MachineMail follows a freemium model: a free tier is available, and paid plans unlock higher limits and advanced features. Check its official website for current plan prices.
Strengths of MachineMail include Trust-scored inbound mail, injections stripped first; Per-agent addresses over MCP or API; Custom domains and webhooks included. On the downside, Free plan covers a monthly message allowance, then paid plans apply; Young product — board appearance 3 November 2026 from a 2 November page.
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