Microsoft® Exchange Server 2003 Unleashed

Using Digital Signatures and Encryption

Secure/Multipurpose Internet Mail Extensions (S/MIME) is used to digitally sign and encrypt messages. Digital signatures provide authentication, nonrepudiation, and data integrity; encryption keeps message contents confidential.

NOTE

S/MIME for Outlook 2003 and OWA can work with an organization's (for example, Windows Server 2003 Certificate Services) or outsourced Public Key Infrastructure (PKI) solution. The following sections on S/MIME assume that a PKI is in place. For information on implementing PKI for Exchange Server 2003, refer to Chapter 12, “Server-Level Security.”

Simplified Fundamentals of Using Digital Signatures and Encryption

Digital signatures and encryption are fundamental components to ...