* DigiPortal Software lays out case for challenge/response
* Noteworthy news from INBOX East
* What you do in e-mail will come back to haunt you
* First spammer in the U.S. convicted of a felony
* Lots of activity around growing field of archiving
* MX Logic’s Scott Chasin makes several good points on e-mail authentication
* Several good reasons for using instant messaging
* Archiving systems can help you find information more quickly
* Desktop client anchors enterprise messaging systems
* FTC reports on idea of using bounty system for finding spammers