I have started getting a "Host unknown" error from an address that has never given me trouble before. Fortunately, my list is somewhat quiet right now, so I haven't been flooded. The host is ZIP.SBI.COM. Should I just set the person to NOMAIL, or wait a bit longer? Anita Cohen-Williams; Reference Services; Hayden Library Arizona State University, Tempe, AZ 85287-1006 PHONE: (602) 965-4579 FAX: (602) 965-9169 INTERNET: [log in to unmask] Owner: HISTARCH