блочим спам средствами postfix

smtpd_client_restrictions =
smtpd_helo_restrictions =
smtpd_sender_restrictions =
smtpd_recipient_restrictions =
   permit_mynetworks,
   permit_sasl_authenticated,
   reject_unauth_destination,
   reject_unauth_pipelining,
   check_client_access hash:/etc/postfix/access_client,
   check_client_access pcre:/etc/postfix/blok_client.pcre,
   reject_unknown_client_hostname,
   check_helo_access hash:/etc/postfix/access_helo,
   reject_invalid_helo_hostname,
   reject_non_fqdn_helo_hostname,
   reject_unknown_helo_hostname,
   check_sender_access hash:/etc/postfix/access_sender,
   reject_non_fqdn_sender,
   reject_unknown_sender_domain,
   reject_unverified_sender,
   reject_non_fqdn_recipient,
   reject_unknown_recipient_domain,
   reject_unverified_recipient,
   reject_rbl_client cbl.abuseat.org,
   reject_rbl_client combined.njabl.org,
   reject_rbl_client dnsbl.njabl.org,
   reject_rbl_client dul.ru,
   reject_rbl_client dynablock.njabl.org,
   reject_rbl_client opm.blitzed.org,
   reject_rhsbl_client blackhole.securitysage.com,
   reject_rhsbl_client rhsbl.sorbs.net,
   reject_rhsbl_sender blackhole.securitysage.com,
   reject_rhsbl_sender rhsbl.sorbs.net,
   permit

блочится письмо в логах

Oct 19 07:10:49 posts postfix/smtpd[2138]: connect from ns.aramid.ru[77.75.128.1]
Oct 19 07:10:50 posts postfix/smtpd[2138]: NOQUEUE: reject: RCPT from ns.aramid.ru[77.75.128.1]: 450 4.1.7 <katyanov@aramid.ru>: Sender address rejected: unverified address: host ns.aramid.ru[77.75.128.1] said: 450 4.7.1 <katyanov@aramid.ru>: Recipient address rejected: Greylisted for 15 minutes (in reply to RCPT TO command); from=<katyanov@aramid.ru> to=<test@dracon753.ru> proto=ESMTP helo=<mail.aramid.ru>
Oct 19 07:10:50 posts postfix/smtpd[2138]: disconnect from ns.aramid.ru[77.75.128.1]