I've added some RBL client entries in my main.cf such that:
----------- excerpt ----------------
reject_rbl_client zen.spamhaus.org,
reject_rbl_client dnsbl.dronebl.org,
reject_rbl_client bl.spamcop.net ,
reject_rbl_client dnsbl.sorbs.net
________ end of excerpt ------------------
and one particular spammer that I know is listed by zen.spamhouse.org still
gets through. I used the mxtoolbox.com to verify this.
Is there something else I need to do to get things listed by them to get
dropped? One thing I noticed is they use differing responses based on
some criteria about a spammer. Is that useful to Postfix?
