I just confuse right know and still don't get the answer.. I has join google mailing list with account yahoo, after that someone give me an Admin privileges, but when I wanna make exchange to approve, add or something I can't log in in with my yahoo, so........ the question is, can I log in to google mailing list with yahoo account, coz when I regist first it using yahoo account , or I just make a new one with no ADMIN privileges