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Setup with Mail App for MacOS

Important after setup

Once you have enabled two-factor authentication, external applications such as Outlook, Thunderbird, DAVx⁵, or mobile calendar and contact apps can no longer access mailbox using your regular password.
To do so, you need to create an application password. Without enabled two-factor authentication (2FA), the use of application passwords is optional.

Setting up a mail account on macOS (Apple Mail)

Here is how to set up your mailbox mail account in the Mail app on macOS:

1. Open System Settings

Open System Settings and select Internet Accounts.


Figure 1: System Settings on macOS.

2. Add a new account

Click Add Account and then select Other Mail Account....


Figure 2: Adding another mail account.

3. Enter access data

Enter the following information:

  • Name: Your display name
  • Address: Your main address at mailbox (not an alias)
  • Password: Your password


Figure 3: Enter your mailbox access data.

4. Configure the incoming mail server

Select the desired protocol type:

  • IMAP (recommended): Mails remain on the server
    • Server: imap.mailbox.org
  • POP3: Mails are stored locally and deleted from the server
    • Server: pop3.mailbox.org

Use your main address as the username and the corresponding password.


Figure 4: Enter your mailbox access data.

5. Set up the outgoing mail server

Enter smtp.mailbox.org as the SMTP server.
Again, use your main address and your password.


Figure 5: Enter your mailbox access data.