PUBLIC MARKS with tags productivité & thunderbird

So why do I think this works so well? It's fast - triage is a single keystroke. It's automatic - the saved searches are there to be used whenever they're needed. It's efficient - there's no moving items to folders, no filters, etc. It's distributed - using an IMAP server lets me use multiple machines to track status. And most importantly, it keeps the stuff that requires attention up front & in-your-face, letting me focus on the stuff I need to do.