Version: 1.9.9 (using 3.5.9, compiled sources) Compiler: Target: i586-manbo-linux-gnu OS: Linux (i686) release 2.6.24.7-desktop-2mnb leave message on server must be the default situation, otherwise you can delete all messages by mistake.
If we make this option the default, we'll get reports asking the opposite. If you want to leave the messages on the server, either use IMAP or DIMAP.