Comment 103 for bug 214366

(In reply to <email address hidden> from comment #92)
> Well, as I see it there are two options:
> 1. Make moving a folder automatically rename if the destination already
> exists, but allow copies to continue to merge the folders. (This was a
> lifesaver for me when I was moving mail between two accounts and hadn't
> provided sufficient quota on the destination account first.) Also make this
> work for IMAP.
In which case does copy merge folders already?

> 2. Propagate the optional destination folder name throughout the mailnews
> codebase, including the copy service and the imap service. Then you would
> update the two implementations of DeleteSubFolders to handle the duplicate
> folder name case.
If I did it in DeleteSubFolders we would probably loose the automatic renaming when a normal copy occurs outside of Trash, which was of interest to users in the previous comments.