In reference to delete messages on Imap subfolders, the messages are deleted ONLY ON APPEARANCE (on indexed mailbox window).
If you look at user folder with windows explorers you can see all messages are still on the folder.
If you REBUILD the user the messages are now on the index folders but a liitle problem all messages apperar with the SAME DATE (today).
This occours on subfolders o folders containing spaces or underscores on they name.
I have been repoorted this with my bad english.