terry carmen nhdnrcnysupportcom alex wrote hi ive question related check_policy_service use greylisting get rid junk mails problems bot nets sending mass mails gateways postfix handles well sqlgrey slow much new connections would comfortable postfix accepts mails sqlgrey ot order easiest way talk bots way sqlgrey doesnt handle extra traffic use smtpd_client_restrictions permit_mynetworks reject_unauth_destination reject_unknown_reverse_client_hostname check_client_access regexpetcpostfixspam_ip_regex reject_unauth_pipelining reject_non_fqdn_recipient spam_ip_regex patterns like clienti 554 auto_client email rejected cablei 554 auto_cable email rejected diali 554 auto_dial email rejected fact cut spam much ive able stop greylisting terry fri 08 aug 2008 045726 0500 failover check_policy_service