Rated 5 out of 5 stars

le jtartempion ar Iúil 30, 2009 · buan-nasc

A user-friendly extension (intelligent default options, few extra buttons, shortcuts...) that does much more than what its name suggests (for compatibility with the first version, I presume). Extremely useful with IMAP accounts with thematic folders.
I've been using it for years, on Linux, Windows XP and Mac OS systems. I'd like to use lighter mail clients (yet with a graphical interface), but as far as I know, none provides an equivalent of the Copy Sent to Current facility.