What is a Virtual INBOX folder and/or Virtual Trash folder?
[IMP 4.1] A Virtual Inbox folder is a logical grouping of all mail messages in all polled folders that are marked as unread. Opening the Virtual Inbox folder will present a listing of all such mail messages. This provides a way to quickly read all new (unread) messages which may be spread across many folders. A Virtual Trash folder is a logical hiding of all mail messages which are marked with the IMAP Delete flag across all folders. An IMAP server would normally mark a message as deleted but not move it anywhere or actually delete it, and it would still show up in the folder listing where it resided even though it was marked for deletion. With a virtual trash folder, the email messages marked for delete would no longer show up in the folders they reside in (though there would actually still be in those folders), but they would appear in a ‘Trash’ folder (the Virtual Trash). This satisfies some people’s expectations (visually), as it in essence duplicates the metaphors typical of a POP
