Windows Mail
This feature is included in the following editions of Windows Vista:
Windows Mail addresses security and junk mail concerns while adding new features that help you search and manage the increasingly large number of messages you receive. Windows Mail is designed to help you easily read your e-mail while keeping you safer, and to make all of your e-mail communication fun and hassle-free.
Instant Search
Windows Mail includes a built-in Instant Search field, just like the one in the Windows Vista operating system. Instant Search enables you to scan across all of your e-mail quickly—without ever leaving Windows Mail. You can also find your e-mail by using the Instant Search field on the Start menu. In addition, the Search Explorer in Windows Vista is integrated with Windows Mail, so when you search your PC's hard disk drive for a particular subject, relevant e-mail messages will be found along with documents and other files.

The Windows Mail Inbox.
Junk Mail Filter
Windows Mail includes a built-in Junk Mail Filter that automatically screens e-mail to identify and separate out junk e-mail. Windows Mail starts identifying and separating junk mail the first time you use it, without any need for special settings or laborious feedback.
Phishing Filter
Phishing is a deceptive practice designed to help scam artists steal your identity by tricking you into disclosing valuable personal information, such as passwords, credit card numbers, and bank account data. Phishing scams start with phony e-mail messages that claim to be from a trusted financial institution or online service. Windows Mail includes a Phishing Filter that analyzes e-mail to detect many of these fraudulent links and to help protect you from this online deception.
Newsgroup features
Windows Mail includes features to help you contribute to and manage newsgroups. For example, Windows Mail simplifies the process of posting questions and answers and the process of rating the usefulness of information posted by other people.