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Use cases

What your agent can do with its own door.

When an agent can be reached by email and read replies, it moves from sending alerts to finishing jobs.

Start with a free inboxInspect all features
Customer support & triage

Answer first-line questions and keep the thread.

Without an agent inbox

Support emails arrive with screenshots and PDFs. Stateless bots lose the thread or reply to automated bounces.

With Doorman Inbox

Give your support agent support@doorman.fyi. It reads attachment text, checks that the message is personal, and replies in thread.

What you gain

  • Every reply stays threaded with proper headers and quoted context.
  • Attachments like receipts and error logs arrive already read into text.
  • Bounce and marketing classifications stop the agent from answering noise.
Procurement, billing & finance

Collect quotes, check invoices and reconcile files.

Without an agent inbox

Vendors reply days later with PDF quotes and invoices attached. Polling a shared finance mailbox mixes human and agent work.

With Doorman Inbox

Give your finance agent billing@doorman.fyi. When a vendor replies on Thursday, the webhook wakes the agent with the PDF text.

What you gain

  • Conversations span days or weeks without keeping a worker process running.
  • Line items from attached PDFs and spreadsheets are ready in the first event.
  • Retry keys guarantee an approval email is never sent twice.
Autonomous sign-ups & 2FA

Create accounts and pass email verification.

Without an agent inbox

An agent setting up a tool or gathering data hits an email passcode screen and waits for a human.

With Doorman Inbox

Each agent signs up with its own address on doorman.fyi, reads the code on the stream, and finishes alone.

What you gain

  • No human needs to watch their phone or forward one-time passcodes.
  • Your personal email stays completely separate from agent accounts.
  • Receipts and security notices stay organized per agent.
Multi-agent & tenant fleets

Isolate every worker with its own key.

Without an agent inbox

When ten agents share one credential, a single bug can read or send mail across the whole company.

With Doorman Inbox

Create one inbox per agent or tenant with an inbox key. Your supervisor watches the stream while workers stay fenced.

What you gain

  • An inbox key cannot list other inboxes or change webhook settings.
  • Revoking one worker's key or inbox leaves the rest of the fleet running.
  • Clear audit trail of every sent and received message per mailbox.
Scheduling, intake & logistics

Coordinate people and documents over time.

Without an agent inbox

Scheduling, client intake, and shipment tracking happen over email with people outside your software.

With Doorman Inbox

People reply to intake@doorman.fyi from their mail client. Your agent tracks missing forms and follows up in thread.

What you gain

  • Counterparties need no new app or login; they just reply to an email.
  • Inbound attachments up to 25 MB are stored durably and read into text.
  • Live stream replay catches up on anything that arrived during a deploy.

Why this is better

Human webmail was built for people, not agents.

Browser mailboxes and send-only pipes break the moment someone writes back to your agent.

  • Shared inbox & screen scraping

    Human webmail

    • Borrows a person's address and exposes private mail.
    • Breaks when login screens or layouts change.
    • One bad send hurts your personal domain reputation.
    • No clean way to tell which agent sent which reply.
  • Stateless outbound pipes

    Send-only mail APIs

    • Built for one-way receipts and password resets.
    • Replies hit a raw webhook with no mailbox behind it.
    • You must build your own storage, threading and parsing.
    • No inbox address for an agent to receive 2FA codes.
  • Built for AI agents

    Doorman Inbox

    • Every agent gets a real address it owns on doorman.fyi.
    • Messages, threads and PDF text arrive as structured data.
    • Signed webhooks and a live stream with event replay.
    • Scoped per-inbox keys and automatic reply safety checks.

Persistent conversations

Conversations outlive the agent run.

An agent run lasts seconds, while a real email conversation takes days. The inbox holds the thread and files until your agent returns.

  1. Monday, 09:14Run 1

    Agent asks for a quote.

    Your procurement agent sends an inquiry from buyer@doorman.fyi and starts a thread.

    thr_01j9m1 created

  2. Monday, 09:15Compute

    The agent run ends.

    The worker finishes and shuts down. Nothing stays running in memory to watch for an answer.

    0 idle processes

  3. Thursday, 14:42Counterparty

    Vendor replies with a file.

    Three days later, the supplier answers with a revised quote attached as a document.

    quote-rev2.pdf read

  4. Thursday, 14:42Event

    Doorman wakes your app.

    The inbox files the reply into Monday's thread, reads the document text, and fires an event.

    evt_01j9t4 pushed

  5. Thursday, 14:42Run 2

    A fresh run reads the thread.

    A new agent process starts, pulls the full thread in one call, and sees Monday's context.

    2 messages in context

  6. Thursday, 14:43Run 2

    Agent replies in line.

    The agent approves the revised quote in the same thread, quoting the vendor's message cleanly.

    Re: Quote confirmed

Scale in two dimensions

Grow across inboxes, or deeper inside each one.

Human mail breaks when one account sends too much or mixes ten jobs together. Doorman scales horizontally and vertically at once.

Up to 100 active inboxes per account out of the box

Dimension 1: Horizontal fleet scale

One inbox per agent, role, or customer.

Spin up dedicated addresses on demand. Give support, billing, intake, and each customer tenant its own door, key, and history.

  • support@doorman.fyiScoped key

    Support agent

    Answers product questions

  • billing@doorman.fyiScoped key

    Finance agent

    Reads PDF invoices

  • intake@doorman.fyiScoped key

    Onboarding agent

    Collects documents

  • ops-482@doorman.fyiScoped key

    Tenant worker

    Receives 2FA codes

Get started

Open the door.

Create an account with an address you own. The console gives you your first key, and your agent is reading mail.

The miniature street at golden hour. As night falls the lamps come on, the windows light up one by one, the sky turns to a starry navy and a doorman closes his door.
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