Jon, Actually, tell is a valid command; however it is only a valid command when you are sitting at the command prompt on some machine running VM/CMS and the Listserv is on the same machine. I think you just happened to grab one of the "leftovers" from when that was the only place people were running Listservs. In the more modern era, send mail to listserv@wherever saying in the body of the message. quiet delete [log in to unmask] pw=yourpasword Yours Truly, Jeff Boulier On Sat, 30 Nov 1996, Jon Ayers wrote: > Thanks for helping me take the blindes off so I could see :-) > > Yes, it is a subscriber who no longer has an account at that address. > LISTSERV Tips tell me i can unsubscribe him by issuing a TELL LISTSERV QUIET > DELETE > command, but I got a reply that says TELL is not a valid command. Can you > tell me how I can unsubscribe him? > > Thanks.......Jon Ayers >