It seems to me that horde-imp requires mod_authz_host. -- Regards, Tomasz Grobelny -- This message has been scanned by ArcaMail, ArcaVir 2006 scanned 2006-06-21 14:22:27, engine: 2005.12.01 12:00:00, base: 2006.06.21 00:59:15 www.arcabit.com