Email Settings for iCloud, .Me or .Mac


When your Apple ID is protected with two-step verification, you'll need to use an app-specific password to sign in to your email account.

Step 1: Turn On Two-Factor Authentication / Generate an App-Specific Password

  1. Login at iCloud online
  2. In the Security section, turn on Two-Factor Authentication.
  3. Under the App-Specific Passwords section, click Generate Password.
  4. Enter a label, such as "Postbox".
  5. Copy the password that is provided. You'll need it later!

Step 2: Use the New Password within Postbox

  1. First, we need to make sure that an existing password doesn't exist. In Postbox, go to Preferences > Security > Passwords > Saved Passwords. If you see incoming and outgoing servers for your iCloud account listed here, then select each one and then click the Remove button. Then restart Postbox.
  2. Enter your new Apple App-Specific Passwords when prompted, for both incoming and outgoing servers
    NOTE: You'll need to send a message from the account to trigger the password prompt for the outgoing server.

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

Server Settings


  • Account Type: IMAP
  • Server Name:
  • Port: 993
  • User Name: (for example, emilyparker, not
  • Connection Security: SSL/TLS
  • Authentication: Password


  • Server Name:
  • Port: 587
  • Connection Security: STARTTLS
  • Authentication: Password

If you cannot connect, please be sure to check Apple's System Status.


Please note that you cannot set up iCloud aliases as if they are email accounts. You must set up your master iCloud account, then set up aliases within that account. 

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