# Multi Mail

Every Outlook, Hotmail, Microsoft 365, iCloud and Fastmail mailbox you have, in one connector.

Search, read, draft, send and organise mail across all of them at once.

[Add to Claude](https://claude.ai/directory/multi-mail)

From 14 October: Any number of mailboxes. 25 actions a day free, or up to 1,000 a day for $5 a month or $50 a year (£5 or £50 in the UK, €5 or €50 in the EU, VAT included).

- Works with: Claude (and ChatGPT)
- Mailboxes: Any number (Outlook, Hotmail, Microsoft 365, iCloud, Fastmail)
- Free: 25 (actions a day)
- Plan: 1,000 (actions a day)
- Publisher: Lumman Ltd (London. Verified by Microsoft)
- Tools: 29 (in 5 kinds, each on or off per mailbox)

## One request, as it runs

You ask: “Find the invoice Northwind sent last month in any of my mailboxes and draft a reply asking for a VAT receipt.”

1. Searches 4 mailboxes at once (`messages_list_all_mailboxes`)
2. Finds “Invoice 2291 - Northwind Ltd” in a.kowalska@acme-trading.co.uk, 12 Sep (`messages_get`)
3. Reads the attached PDF (`messages_attachments_get`)
4. Saves a draft reply in that mailbox (`drafts_reply`)

## Adding it

1. Add to Claude: Press Add to Claude here, or find Multi Mail in Claude's directory. Claude opens a small window on this site.
2. Sign in and add your mailboxes: Sign in to Lumman with Google, Microsoft, a passkey or an emailed code. Outlook, Hotmail and Microsoft 365 mailboxes connect with Microsoft; iCloud and Fastmail with an app password.
3. Ask: Claude works across the mailboxes you chose, within the permission each one has.

## Your mail

- We keep no copy of your mail. It is read from your provider when Claude asks. [Privacy Policy](https://lumman.co/privacy)
- The words of every message are screened for prompt attacks before they reach Claude.
- Gmail mailboxes: [join the list](https://lumman.co/sign-in) from your account - we write once, the day they can be added.

## Price

- Free: 25 actions a day. Any number of mailboxes, every tool. No card.
- Plan: Up to 1,000 actions a day. From 14 October: $5 a month or $50 a year (£5 or £50 in the UK, €5 or €50 in the EU, VAT included). Switch monthly or yearly at any time. Cancel any time - the paid period runs to its end.

## Tools

### Reading

5 tools - on for a new mailbox

- Search a mailbox: One mailbox, in its provider's search terms
- Search every mailbox: Every mailbox at once, newest first
- Read a thread: Every message in one thread
- Read a message: One message, with its headers and body
- Read an attachment: What one attachment holds

### Drafts

5 tools - on for a new mailbox

- Draft a message: Composes a message kept as a draft
- Edit a draft: Replaces what a draft says
- Draft a reply: A reply, drafted inside its thread
- Draft a forward: A forward with its files, as a draft
- Discard a draft: Throws a draft away, nothing sent is touched

### Sending

4 tools - on for a new mailbox

- Send a message: Composes a new message and sends it
- Send a draft: Sends a draft out of the mailbox
- Reply to a message: Sends a reply inside the message's thread
- Forward a message: Sends a message on, with its files

### Organising

8 tools - on for a new mailbox

- List labels: The labels the mailbox holds, with their ids
- Create a label: Creates a label and returns its id
- Edit a label: Renames or recolours a label
- Delete a label: Deletes a label, every message stays
- Label a thread: Adds or removes the labels a thread holds
- Archive a thread: Out of the inbox, still in search
- Move a thread to the trash: Into the trash, where the provider keeps it
- Restore a thread from the trash: Back out of the trash

### Settings

7 tools - on for a new mailbox

- List filters: The rules incoming mail is filed by
- Create a filter: Files incoming mail - no forward, bin or junk
- Delete a filter: Deletes a rule, filed mail stays put
- Edit the signature: Replaces the mailbox's own signature
- Read the signature: The mailbox's own signature, as it stands
- Read the vacation responder: Whether it replies, and what it says
- Set the vacation responder: Turns it on or off, and what it says

## Connect

Address for your AI client: https://lumman.co/mcp/mail

### ChatGPT

1. For iCloud or Fastmail, add the mailbox first in your account, under Another mailbox.
2. Turn on Developer mode: Settings > Security and login > Developer mode.
3. Open [chatgpt.com/plugins](https://chatgpt.com/plugins), press +, then Create MCP App.
4. Name it Multi Mail, paste the address, choose OAuth, tick the trust box and press Create.
5. On the Lumman page, sign in, add a mailbox if none is connected, and approve.
6. In each chat: + > Developer mode > Multi Mail.