Adding Contacts and Calendars to MacOS

Open System Preferences, Internet Accounts, click “Add Other Account” and then on CalDAV account.

Account Type: Manual
User Name: Your full email address (ex. jarland@mxroute.com)
Password: The password you made for your email account
Server Address: The MXroute server you’re on (ex. shadow.mxrouting.net, blizzard.mxrouting.net, etc).

Do the same again but choose “CardDAV account” instead of “CalDAV account” at the Internet Accounts page.