On Wed, 3 Oct 2001, Erry Rahmawan wrote: > Hi All, > > We wanna synch our existing user that already registered in our existing > system with Listserv system. We want to make it sure there's no double > record that not synch in both system. > > Is there any mechanisme / function that can check if user already exist is > Listserv or not ? To check all your lists for a particular address, send to Listserv the command: query * for address pw=xxxx