To begin with, click on the Apple Icon Menu on the top left of your screen and select System Preferences.
Click on Internet Accounts.
Click Add Other Account.
Then on the next step select POP or IMAP and click Next.
Click Mail Account.
Enter your details as follows:
Name: Enter your name as you’d like it to appear (Eg., Jane Smith)
Email Address: Enter your full email address as provided.
Password: Enter the email password we’ve provided.
Username: Enter your full email address as provided.
Account Type: We recommend changing this from IMAP and set it to POP3
Incoming Mail Server: mail.yourdomain.com.au (Change yourdomain.com.au to your actual domain name).
Outgoing Mail Server Set this to the same as your Incoming Server
Next your may be asked which programs you’d like to use this account with. Put a tick next to Mail and click Done.