Configure a renamed email address in Apple Mail

  • Last updated on: 2018-12-06
  • Authored by: William Loy

After you have renamed a Rackspace Email address, your email client will receive new mail only after you configure it to connect to the new email address. This article describes how to configure a renamed email address in Apple Mail.


  • Applies to: User
  • Difficulty: Easy
  • Time needed: Approximately 20 minutes
  • Tools required: Mailbox password and access to the email client that you want to receive mail in

For more information about prerequisite terminology, see Cloud Office support terminology.

Warning: If the old email address connects via POP, you must migrate the POP data to an IMAP account so that no data is lost.

Configure mail settings

  1. Launch the Mail app.

    If Mail is not in your dock, open search by pressing Command (⌘) + Space, and then type Mail in the search bar. Press enter to launch the Mail application.

  2. In the upper-left corner of the menu bar, select Mail > Add Account.

  3. In the pop-up window, select Other Mail Account, and then click Continue.

  4. Enter the following information:

    • Name: Your first and last name
    • Email Address: Your renamed Rackspace Email address
    • Password: Your mailbox password
  5. Click Sign In.

    An alert states that the mail client cannot verify your account name or password, and requires additional information.

  6. Enter the following information:

    • Email Address: Your renamed Rackspace Email address
    • User Name: Your renamed Rackspace Email address
    • Password: Your mailbox password
    • Account Type: IMAP
    • Incoming Mail Server:
    • Outgoing Mail Server:

    Note: Apple Mail typically clears the User Name field after values are entered in the Incoming Mail Server and Outgoing Mail Server fields. Ensure that the User Name field is filled in with your email address after you enter the server information and before you click Sign in.

  7. Click Sign in.
  8. Select the appropriate synchronization options, and then click Done.

    Note: You can use the default settings.

Warning: You must configure your Mac to synchronize various IMAP folders and prevent duplicate folder creation. This is called Folder Mapping. For instructions, see Sync IMAP folders for new accounts in Apple Mail for instructions.

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