When setting up the mail client on Mac OS, you should do the following:
- Run the program and open the Mail menu → Add account to open the New Account Creation Wizard.
- Select "Add another ..." and click to continue.
- The next step, select "Mail Account"
- In the Add Mail Account window, specify the following account settings: Full name - is the username, еmail address. Specify the full name of your mailbox, including login, "@" icon and your domain
Password. Enter a valid password for your mailbox