books.google.com - "All companies rely on e-mail as a critical business tool, but few have considered the policies and systems necessary to safeguard their interests. Important information including transaction details, trade secrets, and confidential documents contained within messages are business assets with serious...http://books.google.com/books/about/Email_Rules.html?id=Q9CbhiflZh0C&utm_source=gb-gplus-shareEmail Rules
