You may be able to mark the message as deleted, but you won't be able to actually remove it. Also, when you delete your own messages, others will still see them until you expunge. Creating folders The names of Courier-IMAP folders may not contain periods or slashes. This is a subdirectory of folders. You can only delete folders after you've deleted all messages from the folder.
Subdirectories disappear automatically when all folders in the subdirectory are deleted.
Folders containing both messages and subfolders. There will be a minor problem navigating the folder collection when you're saving messages in Pine. To save the message in the Work folder you will have to type in its name manually. Displaying all folders If your folder hierarchy has gotten too confusing, and you don't know where a particular folder is, you can display all folders at the same time. You will have to create a different folder collection for this view.