From the inboxmcp blog
How-tos, background, and short explanations.
★ FeaturedRelease·
Release 1.0.0
inboxmcp leaves beta. Bugfixes, security improvements, and the groundwork for the Team plans, with a closed beta starting shortly.
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Release·
Release 0.9.0
Connect mail servers with a self-signed certificate, a new Advanced section in the mailbox form, and an MCP tool catalog that is identical across all plans.
Release·
Release 0.8.5
Fix for Safari users who got stuck on a white “Loading…” page, a visible error card instead of the endless spinner, plus client-side error reporting.
Release·
Release 0.8.0
Search mail by sender, conclude the DPA directly in the portal, delete your account yourself, and tougher prompt-injection protection.
Update·
Update: Faster search, Sent folder, and clear errors
Update to inboxmcp v0.5.0: dramatically faster search on classic IMAP with a date-window filter and opt-in full-text; sent mails now show up in the Sent folder; clean error messages with correlation IDs; automatic retry on 'Mailbox in use' races.
Release·
Release 0.5.0: sending mail
Release 0.5.0 of inboxmcp: send mail, via classic SMTP and Microsoft 365, including shared mailboxes. Plus explicit per-mailbox opt-in: SMTP is now optional when adding an IMAP mailbox, and Microsoft accounts get an 'Allow sending' checkbox.
Guide·
Connect ChatGPT to your mailbox
ChatGPT now supports custom MCP connectors on Plus, Pro, Business, Enterprise and Edu. Enable Developer Mode once, add inboxmcp, and turn the mode back off, your AI keeps the connection.
Update·
Microsoft 365 is now officially supported
Microsoft 365 mailboxes now work in inboxmcp. Connect Outlook with one click via OAuth, no app password, no admin consent dance, no second account. Reading, drafts and filing all work the same way they do for IMAP.
Release·
Release 0.2.0, editable drafts and attachments
Release 0.2.0 of inboxmcp: revise drafts as often as you like, replies are properly threaded with the original quoted in, and attachments come as secure download links you can open directly from the chat.
Update·
inboxmcp is in review with Claude and ChatGPT
inboxmcp is in review for the Claude Connector Directory and the ChatGPT App Directory. What that means, what it changes for you, and what you can do today.
Guide·
Let Claude tidy your inbox every morning
Let Claude Cowork sort your inbox automatically every morning. A practical walk-through: shared prompt, daily schedule, Todoist hand-off for tasks.
Guide·
Connecting Claude to your IMAP mailbox
Six-step guide: add a classic IMAP mailbox (mailbox.org, IONOS, STRATO, Posteo, Plesk or self-hosted) to Claude as a Custom Connector.
Basics·
The Model Context Protocol, explained
A factual introduction to the Model Context Protocol (MCP): background, the three roles involved and the significance of an open standard.
Announcement·
inboxmcp is now available
Launch announcement: inboxmcp is available. A hosted MCP server that connects IMAP mailboxes (mailbox.org, IONOS, STRATO, Posteo, Plesk) to Claude and further AI applications.