Messages and bulletins can be marked as read or unread. Most dialog boxes can be moved and put into the background.
Progress indicators are more uniform and informative.
BlitzMail no longer uses a separate BlitzMail Help file. BlitzMail is now PowerPC native, for better performance on PowerPC machines. Numerous bugs were fixed. Summary windows include a Recipient column, listing each message's first recipient. Summary window columns may be resized by clicking and dragging the column titles, and the results saved with the Save Window Positions command.