Name: allowdeleted
Type: SWITCH
Default-Value: 0
Last-Modified: 3.1.8

Allow access to deleted and expunged data in LIST and SELECT commands.  If
enabled, use the LIST selection option "vendor.cmu-include-deleted" to
include deleted mailboxes in the LIST result. For SELECT, use the
"VENDOR.CMU-INCLUDE-EXPUNGED" parameter to include expunged messages in the
SELECT result.
