[Comm] Postfix+Reject 550

[Serge V Kompan]

Имею postfix-2.0.16-alt0.1

в файле конфигурации

[root at dow  mail]#  cd /etc/postfix/
[root at dow postfix]# postconf |grep 550
maps_rbl_reject_code = 550
reject_code = 550
unknown_address_reject_code  =  550
unknown_client_reject_code  = 550
unknown_hostname_reject_code = 550
unknown_local_recipient_reject_code = 550
unknown_relay_recipient_reject_code = 550
unknown_virtual_alias_reject_code = 550
unknown_virtual_mailbox_reject_code = 550
defer_code = 550

[root at dow postfix]# postconf |grep 450
relay_domains_reject_code = 450

В логах:

Feb  24  18:41:01  dow  postfix/smtpd-sasl[12150]: D7F991FEB3: reject:
RCPT  from  pip.kspu.kr.ua[195.5.59.42]: 450 <lad at pm.kspu.kr.ua>: User
unknown  in  local  re  cipient  table; from=<> to=<lad at pm.kspu.kr.ua>
proto=ESMTP helo=<pip.kspu.kr.ua

Вопрос: Как мне сделать что бы письмо отваливалось с кодом 550?