- Click iCal > Preferences > Accounts > +
- Enter the following values:-
Account Type: CalDAV
User name: Your email address
Password: Your password
Server address: http://www.outitgoes.com:email@example.com/calendar/
(Where firstname.lastname@example.org is your email address)
- Click 'Create'.
For the iphone this is available from settings -> Mail, Contacts and Calendars -> Add account -> Other -> Add CalDav account.