Outlook Delegate Error
The delegates settings were not saved correctly. Cannot activate send-on-behalf-of-list. You do not have sufficient permission to perform this operation on this object. Role Based Access Control was introduced by Microsoft in Exchange 2010. Within Exchange 2013 Microsoft prolonged this feature for a good reason. It simplifies assigning permissions for users in the email environment. […]

Delegates Cannot Activate Send-on-Behalf-of-List