Disable Reading Pane on Webclient for All Users
Need to disable reading pane
Problem:Need to remove Reading pane feature for all users.
Solution:To disable the 'Reading Pane' feature for all user accounts, we can change the attribute 'zimbraPrefReadingPaneLocation' value to off.
To do so, run the following. Replace 'COS_NAME' with the respective name of the COS:
su - zimbra zmprov mc COS_NAME zimbraPrefReadingPaneLocation off
zmprov mc default zimbraPrefReadingPaneLocation off
Then flush the cache of all the user accounts:
zmprov fc all
Submitted by: Sourabh Bhushan