I'm wondering if something is not working on our install (4.5.10 GA)

When we add folks to a company zimbra distribution alias that is used for meetings, the people added to the alias are not automatically added to the meetings (invited).

Is that how it's supposed to be (doesn't seem to really make sense to me). Dose the meeting planer really to what:
Remove and re add the distro list?
Add the people individually?

Also is there a way to build auto generated aliases (like all staff)?