Diffstate - get different cutoffdate for diferent type of folders
Issue #26 - iOS devices don't allow to set a full name. The From header is only the mail address.
A real Exchange server will search the full user name from AD.
As a workaround we will offer two optional methods to set it:
  1) LDAP search
  2) SQL search

You can contribute your method, but maintain it general so it can be useful to others