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Important Information for iCloud Users

Beginning June 15th, app-specific passwords will be required to access your iCloud mail data using Postbox.

If you are signed-in to Postbox using your existing Apple ID, you will no longer be able to login to your iCloud account after June 15th without a new app-specific password. If you are using an iCloud account, please follow these instructions:

1) Turn On Two Factor Authentication:

  • Navigate to Apple menu > System Preferences > iCloud.
  • Sign in if necessary, then click Account Details.
  • Click Security.
  • Click Turn On Two-Factor Authentication.

2) Generate an App-Specific Password for Postbox:

  • Sign in to your Apple ID account page.
  • Under the App-Specific Passwords section, click Generate Password.
  • Enter a label, such as "Postbox".
  • Copy the password that is provided, you'll need it later!

3) Use the New Password within Postbox

  • In Postbox, go to Preferences > Privacy > Saved Passwords. Select the incoming and outgoing servers for your iCloud account, then click the Remove button.
  • Restart Postbox.
  • Enter your new Apple App-Specific Passwords when prompted, for both incoming and outgoing servers (you'll need to perform a "send" action to trigger the password prompt for the outgoing server).

For more information, please see Using App-Specific Passwords, or visit Apple Support.