addresses showing when emailing a group
I use to check in my address book preferences Don't Show Address when emailing a group. I can't find that preference any more and when I email a group it sends the email to all the addresses in the group rather than to the group. I don't want to share people's addresses. That's why I checked don't show address in the group. How can I avoid the address showing when emailing a group?
iMac, Mac OS X (10.6.8)