A confidential message from Mr Ventura to his colleagues refers to leaks to the Italian media and notes that it would be "really unpleasant " if more sensitive material was leaked .

Confidential content, such as the body of a mail message, is tagged by the server so that it is not cached.

Since we are dealing with highly confidential nature of information provided by the system, the key business problems related to message processing in this scenario can be categorized as follows.