On Friday 21 February 2014 08:54:34 Steffen Kaiser wrote: > On Thu, 20 Feb 2014, Boris wrote: > > On Thursday 20 February 2014 20:45:32 Boris wrote: > >> Dovecot 2.2.9-1 accepts SETACL commands that share mailboxes to > >> non-existent mailboxes. There is no error message. Is this intended > >> behavior? > > There is a "false friend" here. A "mailbox" in the tongue of many English > speakers is an IMAP folder, the mailbox file all mails had been appended > together in the old times, when mbx or mbox mail storage format was > common. In Germany many people use "Mailbox" as the collection of all IMAP > folders of one account. > > So the question is why Dovecot accepts non-existant _users_ as you wrote > in your last line. > > > I probably found the solution myself. Quoting RFC 4314: > No, because of mailbox != Mailbox.
So what is the reason then?