How to Sync iPhone with Zimbra Calendar

You can use the open standard called CalDav to synchronise your Zimbra calendar to your iPhone or iPad.

You are connecting to your Zimbra account via a special URL over which Zimbra allows connection to your calendar

To configure this on your iPhone or iPad open iPhone Settings application and choose Mail, Contacts, Calendar:

Then select Add Account…:

press Other:

Choose Add CalDAV Account:

Enter your Zimbra server hostname in the Server field,
mail.opensure.net

provide your username and password then press Next:
Username = your@email.address
password = password

On the account page, open Advanced Settings:

Enable SSL and check port, make sure Account URL resembles:

https://mail.opensure.net/dav/your@email.address/Calendar

or

https://mail.opensure.net/principals/users/your@email.address

Posted in: iPhone, OpenSure Guides, Zimbra Collaboration