macOS

PostageA fast, native Mac email client for any IMAP account, with a built-in MCP server so your AI agent can sort, search and draft.

$39 once.


Postage is a keyboard-first Mac mail app for Gmail, iCloud, Fastmail, Yahoo or your own domain, with a unified inbox and Mac-standard shortcuts. Mail goes directly between your Mac and your provider: no Postage servers and no telemetry.

Claude Code, Codex, Claude Desktop, Cursor and other agents connect to Postage's local MCP server to triage, organize and draft. Agents never send: every draft opens in a Postage window for you to review and send.

What you get

Agents draft, you send

Replies an agent writes open in a compose window marked with the agent's name. You press Send or close it.

Undo in one step

An agent's batch of changes can be undone all at once.

Access you choose

Read only, organize and draft, or full access, per agent, revocable any time.

Any IMAP account

Gmail, iCloud, Fastmail, Yahoo and your own domain, in one inbox or one at a time.


Questions about Postage

What does Postage do?

A fast, native Mac email client for any IMAP account, with a built-in MCP server so your AI agent can sort, search and draft. Postage is a keyboard-first Mac mail app for Gmail, iCloud, Fastmail, Yahoo or your own domain, with a unified inbox and Mac-standard shortcuts. Mail goes directly between your Mac and your provider: no Postage servers and no telemetry.

How much does Postage cost?

$39 once, direct from postageformac.com. No subscription.

Who makes Postage?

Great Work LLC, an independent software company. Email hello@greatwork.company with any question about Postage and someone will answer.


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