> A couple of dozen regular expressions that match things like "dynamic", > "home", numeric addresses and similar patterns in /etc/postfix/spam_ip_regex > in smtpd_client_restrictions cuts the spam and the calls to RBLs way down: > > smtpd_client_restrictions = > permit_mynetworks, > permit_sasl_authenticated, > reject_unauth_destination, > hash:/etc/postfix/whitelist, > regexp:/etc/postfix/spam_ip_regex, > reject_unknown_reverse_client_hostname, > reject_unauth_pipelining, > reject_non_fqdn_recipient, > reject_rbl_client zen.spamhaus.org > > Terry >
Avoid use implicit client check. Use check_client_access hash:/etc/postfix/whitelist, check_client_access regexp:/etc/postfix/spam_ip_regex -- Reinaldo de Carvalho http://korreio.sf.net http://python-cyrus.sf.net
