Select the Internet Accounts link to proceed. You will be taken to your System Preferences screen where you can adjust various options of your Mac OS. To begin with, click on the Apple Icon Menu on the top left of your screen and select the System Preferences… submenu. You can find more information on how to find the nameservers for your account here. Important!The Mail Autoconfig feature will work only if your domain name is using the SiteGround nameservers.