E-mail management is a key part of Yahoo's strategy. At CES in January, CEO Jerry Yang showed off a prototype version of Yahoo Mail that would tap into social networks, giving higher priority to messages from senders who are friends, for instance.
After many months of quiet integration, Zimbra's ascent within Yahoo has been apparent. As part of a major reorganization in June, Zimbra leader Scott Dietzen was named to run all of Yahoo's messaging and communication work. The software can be used to