21 Oct
                
                    2010
                
            
            
                21 Oct
                
                '10
                
            
            
            
        
    
                11:02 a.m.
            
        Denny Lin wrote on 10/20/2010:
Currently, I am using a setup with Postfix + Dovecot as well.
We're using these DNSBL blacklists: zen.spamhaus.org b.barracudacentral.org cbl.abuseat.org bl.spamcop.net dnsbl.njabl.org
info:
it's not needed to use cbl.abuseat.org AND zen.spamhaus.org because
the data from cbl is included in zen.
Link: http://cbl.abuseat.org/faq.html
-- Daniel