Multi Mail
Hotmail, Outlook.com, Microsoft 365 and Gmail in Claude - many mailboxes, one search. Reads attachments: PDF, Word, Excel, scans. Drafts, sends, organises. No copy kept.
- Category
- Productivity
- Primary Subcategory
- Email Clients & Inbox Assistants
Integration details
Description
Connect Hotmail, Outlook.com and Live mailboxes to Claude, alongside work Microsoft 365 and several Gmail accounts - one connector, one search across all of them. Attachments are read, not just listed. PDF, Word, Excel and PowerPoint files and scanned pages in English reach Claude as text, long documents in parts. Ask Claude to summarise the contract in that email, check the figures on an invoice or pull a table out of a spreadsheet - nothing to download. Multi Mail signs in to each mailbox with its own provider, so a personal Outlook.com address, a work Microsoft 365 mailbox and two Gmail accounts sit side by side, each under its own name. Every call names the mailbox it acts on, or searches all of them at once. Ask in plain words: what needs a reply across all my inboxes this week, find the invoice my accountant sent, draft a reply from my work address. The connector searches mail, reads threads and messages, drafts new messages, replies and forwards and sends them, organises mail with labels, archive and trash, and manages filters, the vacation responder and, in Gmail, the signature. You decide what each mailbox allows: reading, drafts, sending, organising and settings are switched on separately for every mailbox. Received and sent mail is never permanently deleted - a thread goes to the trash, where it can be restored. Lumman keeps no copy of your mail. Messages and attachments are fetched from Microsoft or Google when Claude asks, and passed only to the AI client you approved on Lumman's own approval screen. Microsoft lists Lumman Ltd, London, as a verified publisher. Disconnect a mailbox or withdraw an approval at any time at lumman.co/mcp. Two mailboxes are free; each further mailbox is paid monthly or yearly. Microsoft accounts connect without limit; Gmail has limited room until Google completes its review of Lumman.
- Integration type
- Connector
- Verification status
Community connector- Platform
- Claude
- Primary Subcategory
- Email Clients & Inbox Assistants
- Secondary Subcategories
- None listed
- Brand
- Lumman
- Access
- Account required
- First tracked
- 2026-09-27
- Tool count
- 27
- Geography
- US
The Primary Subcategory used for this profile’s headline score.
Other Subcategories where the Integration is listed.
Claude Discoverability Score
Claude Connector discovery is coming soon
Community Connectors only appear in Claude’s registry.Once verified, organic discovery begins and we can calculate your score.Read more about Community Connector verification.
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What discovery looks like

Claude can surface verified Connectors when they match a user’s Prompt.
How Claude Connector discovery works
Your Connector will compete to appear for users’ Prompts once Claude verifies it
Competing in Claude Email Clients & Inbox Assistants
View Category27 tools agents can invoke
How do I improve a Community connector's discoverability?
The levers are the listing surface agents actually read: names, descriptions, keywords, tool metadata, and registry health. Which lever matters depends on where discovery breaks, which is what continuous measurement shows.
What are Multi Mail alternatives on Claude?
As of 2026-09-28, Multi Mail competes with Microsoft 365, Gmail, Superhuman Mail, Google Calendar, Glean, Fastmail, Fyxer, Inkbox, Aegis Mail, alfred_, CarlyEmail, Exchange Server by Postgate AI, Hostinger Mail, Mailbox MCP, Mailopoly Inbox, mailows, Missive in Claude Email Clients & Inbox Assistants, ranked by public Discoverability Score.
Where is this profile measured?
This profile uses the geography attached to the latest public registry snapshot: US. Locale tags are intentionally omitted.