Split Passwort options from Unix Tab
Please split the passwort options (expiration, minimum length, ....) to another tab as Unix account because mail users may have an expiration too even if they are not Unix users. Perhaps all shadowAccount attributes could be used in another tab while posixAccount attributes may kept in Unix tab.
(from redmine: issue id 361, created on 2011-07-14, closed on 2012-01-27)