What are my mailbox.org IMAP settings?

IMAP is imap.mailbox.org on port 993 (SSL); SMTP is smtp.mailbox.org on port 465. Auto-filled from your address.

Do I need an app password for mailbox.org?

If two-factor authentication is enabled, yes: generate an app-specific password in your mailbox.org settings. It is scoped and revocable.

Does mailbox.org calendar work?

Yes. CalDAV at dav.mailbox.org is discovered on connect.

Connect your mailbox.org email to Claude & ChatGPT

mailbox.org is a German privacy-first provider offering IMAP with CalDAV and no OAuth for assistants. anymailmcp.com connects the inbox and the calendar together.

Get started Setup guide

Server settings (auto-detected)

IMAP: imap.mailbox.org:993
SMTP: smtp.mailbox.org:465
Encryption: SSL/TLS

Calendar: yes

mailbox.org exposes CalDAV at dav.mailbox.org. We auto-discover it on connect so your assistant can read and create events.

Before you start

What you need

Your mailbox.org email address

Your full address at mailbox.org.

An app password (with 2FA)

If you use two-factor auth, create an application-specific password in the mailbox.org settings and paste that instead of your login password.

Set it up in your AI

Your mailbox.org inbox, inside your assistant

Read and triage your mailbox.org mail, draft replies and manage your calendar, straight from the chat you already use. It takes about a minute to connect.

Open Settings → Connectors in Claude Desktop or claude.ai.
Click Add custom connector and paste the URL below.
Click Connect, then sign in with your email (we send you a magic link). You add your mailbox from your profile afterwards.

https://anymailmcp.com/mcp