Right-click on the exchange mailbox (i.e. john.doe@jefferson.kyschools.us).
Click Folder Permissions.
Select the Permissions tab.
Click the Add button, and select the delegate from the GAL.
Select the delegate.
In the Permission Level drop-down menu, select the permissions for your delegate (i.e. Editor).
Right-click on Inbox. This should be just below your root level folder ( john.doe@jefferson.kyschools.us).
Click Properties.
Select the Permissions tab.
Click the Add button, and select the delegate from the GAL.
Select the delegate.
In the Permission Level drop-down menu, select the permissions for your delegate (i.e. Editor).
If you need to delegate access to other folders at the same level as Inbox, repeat steps 3 and 4 for that particular folder.