text_combined: graham murray oqhyzfgmurrayorguk michael peddemors writes current sa difficult turn via config option example think difficult setting scores following rules zero localcf turn spamhaus rbl checking __rcvd_in_zen rcvd_in_sbl rcvd_in_xbl rcvd_in_pbl set systems reject zen smtp time think spamassassin querying spamhaus since added rules wed 06 aug 2008 012828 0100 clarification inclusion policy fwd