Yahoo Mail

You'll need to generate and use an app password. An app password is a long, randomly generated code that gives a non-Yahoo app permission to access your Yahoo account. You’ll only need to provide this code once to sign in to your third-party email app.

• Sign in and go to your Account security page

• Click Generate app password or Manage app passwords.

• Select your app from the drop down menu and click Generate.

• Follow the instructions below the password.

• Click Done.

• Go to "Email Template" tab, paste your app's password to Password field