You can sync your address book and calendars with your mobile device using ActiveSync. We don’t recommend the usage of CalDAV and CardDAV on BlackBerry devices.
Create an Exchange account with the following settings:
- domain: empty
- user name: <name>@mailbox.org
- email address: <name>@mailbox.org
- server address: office.mailbox.org
- server port: 443
- enable SSL and Push