Patch: add new lmtptarget annotation

[Adam Tauno Williams]

On Tue, 2010-05-18 at 20:53 +0200, Frank Richter wrote:
> Hello Stephen,
> > We use shared mailboxes quite extensively for role-based communication.
> > For quite some time we've had a problem with users deleting or renaming
> > mailboxes into which we deliver mail. We can, and do, use IMAP ACLs to
> > dissallow users from deleting the delivery target mailbox. But when a
> > user creates a child mailbox it inherits the ACLs of the parent, and the
> > user is then not able to delete or rename the sub folder.
> This is an issue here as well. Thanks for your solution! 
> Would be a good thing to see it included in an official release.

+1