Click Mail in the top menu bar, then select Preferences.
Step 2: Add a New Account
Go to the Accounts tab.
Click the + button to add a new account.
Select Other Mail Account and click Continue.
Step 3: Enter Account Details
Enter your name, your new email address, and password.
Click Sign In. Mail won't automatically find our server, so you will get a message
"Unable to verify account name or password" on the next screen. You can ignore this.
Step 4: Choose IMAP
Select IMAP as the account type.
Incoming Mail Server:mail.systemsxpert.com.au
Outgoing Mail Server:mail.systemsxpert.com.au
Click Sign In. Mail should automatically find all the other necessary information now.
Step 5: Mail Privacy Protection
We recommend you select the first option, "Protect Mail activity".