Paul Cartwright put forth on 12/7/2010 4:10 PM: > On 12/07/2010 04:48 PM, Steffan A. Cline wrote: >> CIDR blocking all of China with an auto whitelist for those that you email >> directly? > I don't know anyone in China, I know someone who travels there, but he > has a Bellsouth address.. > so how do you implement CIDR blocking?? well I see where you can add a > hash file, but all I see are IP ranges, not *.cn .
To IP block all of China: wget http://ipdeny.com/ipblocks/data/countries/cn.zone sed 's/$/ REJECT/g' cn.zone > /etc/postfix/china.cidr smtpd_recipient_restrictions ... check_client_access cidr:/etc/postfix/china.cidr ... -- Stan