cyrus imapd: shared folder hierarchy recovery

Fought a half-day fight battling with our local Cyrus IMAPd installment. And talking complexity again: We’re using right this mail server implementation because it provides extensive support for shared folders and per-folder access control lists allowing for pretty fine-grained, well, control of user access to shared mail folders. ACLs indeed do add complexity to that, … Read morecyrus imapd: shared folder hierarchy recovery