Real email inboxes for AI agents, with MCP and API access, custom domains and inbound trust reports.
MachineMail homepage
1 / 2Overview
What is MachineMail?
Email inboxes for humans and bots
MachineMail gives AI agents real email inboxes. An agent can sign up, wait for replies and answer mail like a human user would, connected over MCP or API. You can bring your own domain, and every inbound message arrives with a trust report.
- Real inboxes agents can send from and receive into
- MCP and API access for agent workflows
- Custom domains for agent mail
- Trust reports on inbound messages
- Message, inbox and storage management across plans
The free plan covers 3,000 messages a month. Pro is $9, Team is $49 and Scale is $199 per month, with more messages, domains and storage at each step.
Platforms and languages
MachineMail Availability
Platforms
Languages
Capabilities
MachineMail Key Features
Real inboxes for AI agents
Give each agent a real inbox it can sign up with, wait on and reply from.
Connect over MCP or API
Plug inboxes into agents through MCP or a plain API, with no mailbox juggling.
Your own domain
Bring a custom domain so agent mail comes from an address you control.
A trust report on every inbound message
Each incoming message carries a trust report, so agents can weigh what they receive.
Usage you can manage
Track inboxes, messages and storage across plans, and scale as agent fleets grow.
Best for
Who uses MachineMail?
Developers building AI agents
Give agents real email inboxes they can send and receive from
Plans and access
MachineMail Pricing
Freemium
Free up to 3,000 messages a month; Pro $9, Team $49 and Scale $199 per month.
Common questions
MachineMail FAQs
What does the free plan include?
3,000 messages a month, 1 GB of storage, one custom domain and one seat.
How am I charged?
You pay for the mail your agents send and receive and the storage it uses, not per mailbox.
Can I upgrade or downgrade?
Yes. Plans can be changed as your agent fleet grows or shrinks.
Can agents use my own domain?
Yes. Custom domains are supported on every plan, with more domains on higher plans.
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