Entourage 2008 supports the use of digital certificateA file issued and verified by a third-party certificate authority that is used in the process of digitally signing or encrypting messages. A certificate is sometimes called a "digital ID" or "digital certificate." that have been stored on smart card-based keychains to perform secure messaging operations such as digitally signing, verifying, encrypting, and decrypting e-mail messages.
Smart card features in Entourage 2008
Entourage 2008 includes the following features:
Mac OS X has built-in smart card support that complies with the U.S. Department of Defense standards for U.S. federal government smart cards. These standards follow one of the approved specifications: Common Access Card (CAC), Government Smart Card Interoperability Specification (GSCIS), Personal ID Verification (PIV).
Entourage users can now apply send or save a digitally signed e-mail message in their Drafts folder.
When there are more than one certificate associated with an e-mail account, Entourage uses the certificate that is not expired. If all the certificates associated with an e-mail message are expired, Entourage displays an error message.
Entourage uses visual cues to distinguish between expired and current certificates.
Entourage uses symbols to identify the certificates used for digital signatures.
For information about Apple’s support for smart cards, see
Smart Card Services
on the Apple Developer Web site (developer.apple.com).


