From filtering for external POP3 boxes.
Filters can be setup to route emails into different folders, depending on the message header.
Added a 'Save as Draft' option in the message compose panel. Users can save messages, and edit them for later use. Spell Check updated with a 'Return to Message' button that allows the user to skip spelling the document at any point. New feature for external POP3 accounts. Huge speed increase accessing mailbox once downloaded locally.