> cable + dsl + dialups are a big source of abuse, duh! > > I'm thinking about this: > > smtpd_client_restrictions= > . > check_client_accsess regexp:/etc/postfix/mta_clients_dul.regexp > > ... where that file would contain lines like: > > /(docsis|dsl|client|dhcp|pool|cpe|host|cust|dial|access|in\-addr|arpa|cable| nombres|upc\-[a-z]|user|bri\-).*\..*\./ > 554 ACL mta_clients_dul
I stopped using the DUL type RBLs because out of the 60 or so hits I got a day there was at least one false positive a day. I see this as a great tool for smaller sites, or a large headache for bigger sites. --Eric
