Additionally, Exchange utilizes an advanced transaction-log based data store the provides fault tolerance, reliability, and high performance. Operating system integration. Message and transport security. Exchange includes built-in public key encryption technology for protecting the contents of messages. Messages can also include digital signatures that ensure that they are authentic and have not been modified by tampering.
Exchange supports public folders.
These are distributed and potentially replicated server-based folders that all users anywhere in the organization can access. Digitally sign or encrypt individual messages. Deleted item retention periods. Single instance message store. Multiple Organization Hosting.