Definicija: A string that identifies a user so that the user can receive Internet email. An email address on the Internet typically consists of an account name, followed by the @ (at) symbol, a host name, and a domain name.
Definicija: The address by which a Exchange Server recipient object is recognized in a foreign messaging system. In Outlook Live, proxy addresses let people receive e-mail that is sent to different e-mail addresses.
Definicija: A Windows Live ID created in a domain, and using the domain name, before the domain was enrolled in Outlook Live. After the Windows Live ID is imported into the Outlook Live domain, it is subject to the security and privacy policies of the organization.