mcp4mail
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Yahoo Mail

IMAP server: imap.mail.yahoo.com

Needs an app password

Yahoo Mail does not let mail clients sign in with your normal password. You need an app password.

1. Create an app password

  1. Sign in to Yahoo and open your Account Security page.
  2. Under External connections, choose Create app password.
  3. Name it mcp4mail and choose Generate password.
  4. Copy the password it shows. Yahoo shows it only once.

2. The settings to use

Setting Value
IMAP server imap.mail.yahoo.com
Port 993
Security SSL/TLS
Username your full address, e.g. jana@yahoo.com
Password the app password from step 1

If it still does not connect

  • "Authentication failed" — you are probably using your normal Yahoo password. Create an app password as in step 1.
  • It worked and then stopped — the app password may have been revoked in Account Security. Create a new one.

Now connect it in mcp4mail

IMAP is on and you know your server. Add the mailbox and your AI can read it — nothing gets sent or deleted.

Connect a mailbox