As discussed endlessly on the Evolution mailing list, the Trash vFolder is
confusing the hell out of people who are used to other mailers and have
never used vFolders.  They are confused when they see a deleted item in two
different places: The folder where it actually exists (with a line through
it) and the Trash vFolder, which looks from its placement like any "plain"
folder.  Trying to get rid of the extra copy, they inevitably expunge in
one or the other folders and suddenly oops! the mail they thought they'd
merely deleted now resides in the Great Bit Bucket.

The problem here is both the placement of a vFolder among normal folders,
and the use of the word "Trash".  Most mailers have a Trash folder in the
same place, and it's great to try to make users comfortable.  However, what
we call Trash has completely different semantics than what users are used
to.  They expect that deleted items are *moved* to the Trash folder, and
that recovering them means moving them back out.

After a few encouraging responses from the list, I'd like to propose that
"Trash" be renamed "Unexpunged Items" and moved down among the vFolders
where it belongs.  If, as has been suggested, traditional Trash
functionality is provided in a post-1.0 release, call THAT "Trash", but
retain "Unexpunged Items" for the name of this vFolder.  The semantics of
this folder are then MUCH clearer and the terminology closely corresponds
to the Expunge verb in the Actions menu.