Sylvia Caras said: ------------------ And I interpreted as: >If I create a Super List == SUPER LIST >and within it several Sub Lists == 1st LEVEL SUB LISTS >and in each of those several Sub-Sub Lists, == 2nd LEVEL SUB LISTS > >can a Sub-Sub be part of more than one Sub set? If I understand you to mean can a second level sub-list be a sublist of more than one first-level sub-list, yes. >and if it is, if a msg is mailed to two Sub lists, does the >subscriber on the Sub-Sub lists receive one or two messages? Two, because the two first-level sub-lists don't know about each other. Nathan