Nokia 9290 E-Mail Manual page 9

Nokia Mobile Phones
Read receipts (An Extensible Message Format for Message Disposition
Notifications, Disposition-Notification-To header)
SMTP Service Extension for Secure SMTP over TLS
Using TLS with IMAP, POP3, and ACAP
Copyright  Nokia Corporation 2001-2002. All rights reserved.
Nokia 9290 Communicator
List of Compatible E-mail
Systems
RFC 2298
RFC 2487
RFC 2595
9 (8)