Oh, in looking at this: > --- > Ed Agro <[log in to unmask]> > http://listserv.acsu.buffalo.edu/archives/zamir-chat-list.html I make the assumption that your list is at Buffalo. I promise you that query listname with conceal for *@* very definitely does work just fine *if* that list truly has any subscribers who have set the CONCEAL option. That is where my large lists are and I assure you it works as specified. Douglas