These instructions can be used to set your Apple Address book to sync with RUMail
Click on the Apple Menu and select System Preferences.
From System Preferences select Internet Accounts.
Click on Add Other Account.
Select Add a CardDAV Account and click the Create button.
Make sure the following settings are entered:
User Name: Enter the email address in the form of email@example.com
Password: Enter the NetID Password
Server Address: rumail.rutgers.edu