Address Book email list sync


I have one user here who has a few address books. In the address books are the contacts, however, in one of the address books she has contacts and email lists. An example of an email list would be Board and then it would have the email addresses of all of the Board members, then when she wants to send an email to the Board she just clicks on Board in the address book which will send it to all rather than typing in all of their email addresses individually. When doing a sync, the individual contacts come over to the device but the email lists do not sync. Is this something that will not sync or should the email lists sync over as well?