Microsoft said that Exchange Server 2007 is “Secure by Design”. Exchange 2007 was designed and developed in compliance with the Trustworthy Computing Security Development Lifecycle (TWC) which was first introduced in October 2002. Microsoft has changed a lot in this system and multiple security related improvements were built into Exchange Server 2007. Microsoft says that Exchange Server 2007 is more secure than earlier versions of Exchange. msexchange.org's Marc Grote , has started a series...