HumanReadableText text = new HumanReadableText(HumanReadableText.UNSUFFICIENT_RIGHTS_KEY, HumanReadableText.UNSUFFICIENT_RIGHTS_DEFAULT_VALUE, params);
no(command, tag, responder, text);
}
else {
MailboxACLEntryKey key = new SimpleMailboxACLEntryKey(identifier);
// FIXME check if identifier is a valid user or group
// FIXME Servers, when processing a command that has an identifier as a
// parameter (i.e., any of SETACL, DELETEACL, and LISTRIGHTS commands),
// SHOULD first prepare the received identifier using "SASLprep" profile