In your main.cf file, under "smtpd_client_restrictions",
do you have "check_client_access cidr:/etc/postfix/spam.cidr ?

Also, according to "man 5 cidr_table", it should be 220.144.0.0/16 and
not 220.144/16
--
Greg



Fred wrote:
> I have a file named spam.cidr with CIDR notated addresses
> like this:
>
>
> 219.110.200.0/24 REJECT "550 SPAMMER NINCOMPOOP REJECTED!!!"
> 220.108.0.0/16 REJECT "550 SPAMMER NINCOMPOOP REJECTED!!!"
> 220.144/16 REJECT "550 SPAMMER NINCOMPOOP REJECTED!!!"
> 221.252.145.72/29 REJECT "550 SPAMMER NINCOMPOOP REJECTED!!!"
> 222.0/12 REJECT "550 SPAMMER NINCOMPOOP REJECTED!!!"
>
>
> I do a postmap of this file and it creates the .db file.
> Now, I just received a spam email from:
>
> Received: from buss.com (FLH1Aat125.fks.mesh.ad.jp [220.144.140.125])
> by mydomain.com (Postfix) with ESMTP id 3B39975E590
>
>
> Can anyone please tell me why this IP address was not blocked,
> even though I have a 220.144/16 entry in my spam.cidr file
> listed above?
>
> -Thanks
>