You can set the NORENEW for that subscriber to prevent probing. >>> John Cunniff <[log in to unmask]> 9/8/2006 5:00 PM >>> Last error was: 5.0.0 X-WebTV_Postfix+sws; host ... to a cyberspace. That is a different situation. What I am talking about a male subscriber that I described above (WebTV) would NOT be allowed to be deleted after numbers of errors found by LISTSERV?