Hushmail - Full-featured email service with integrated security to safeguard your data.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
AOL Mail - FREE e-mail account with IMAP, spam and virus protection with UNLIMITED storage (GMail max. 7.3 GB).
Symantec Data Loss Prevention - Fully protect your data with the comprehensive detection technologies and unified policies of Symantec's industry leading Data Loss Prevention (DLP).
Yahoo Mail - Web-mail with a terabyte of free storage space & spam protection. Yahoo!
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.