[Dovecot] Disallow Deletion from Trash Folder

[Michael M Slusarz]

Quoting Bradley Rintoul <brintoul at sbcglobal.net>:

> I've been tasked with trying to find a way to keep users from ever  
> "permanently"
> deleting emails.  The users are running Thunderbird and are using  
> the "Archive"
> option for when emails are deleted.  However, they are still able to delete
> emails from the Archive folders...  I'm wondering if there's any way  
> that I can
> configure Dovecot to make sure that emails *never* get removed from the
> filesystem.

Enable IMAP ACls, and remove the 't' right from the Archive mailbox.

michael