Connect your Fastmail email to Claude & ChatGPT
Fastmail is IMAP with excellent CalDAV. It requires an app password for any third-party client, since your account password simply won't work, and anymailmcp.com follows that rule.
Set it up in your AI
Pick your assistant, paste one URL, done
- 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- Connects in about a minute
- Free to start, no card
- Sign-in happens right in your AI
Before you connect
What you need
Your Fastmail email address
Your full Fastmail address.
An app password (required)
Fastmail blocks your main password for IMAP. Create an app password under Settings → Privacy & Security → App passwords and paste it here.
Fastmail works best with a revocable app password.
Generate an app passwordFastmail questions
The specifics for your provider.
Under the hood
Server settings we auto-fill
You never type these. We detect them from your address and verify them live against Fastmail’s servers — they’re here for the curious.
- IMAP
- imap.fastmail.com:993
- SMTP
- smtp.fastmail.com:465
- Encryption
- SSL/TLS
Fastmail has first-class CalDAV. We discover your calendars on connect so your assistant can read and create events.
Let Claude read your Fastmail inbox
One URL in your assistant and you’re connected in about a minute. Free forever until you outgrow it — no card, no trial clock.
Add Fastmail to your AI
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