7381ae66_ystems___MIT_Technology_Review__Description
JumbleMe jumbleme.com Yes (operates via Web) [Protection from distribution] Partial [Description] 
The service makes it possible to encrypt part of a message by embedding special tags in a message body. Encryption is done automatically on the server. The system’s website or an Outlook plug-in is used to decrypt an encrypted fragment. Printing and forwarding can be disabled, and a message may be set so that it cannot be retrieved after a certain period or can only be previewed a limited number of times.
Overview of Electronic Mail Protection Systems | MIT Technology Review
Description