I have a strange problem with mail server

[pcangel]

NOQUEUE: reject: RCPT from f159.mail.ru[217.69.128.111]: 450 4.2.0 <al@indjov.info>: Recipient address rejected: Greylisted, see http://postgrey.schweikert.ch/help/indjov.info.html; from=<pcangel@mail.ru> to=<al@indjov.info> proto=ESMTP helo=<f159.mail.ru>
Oct 22 19:08:42 phoenix postfix/smtpd[16870]: disconnect from f159.mail.ru[217.69.128.111]
Oct 22 19:08:42 phoenix postfix/smtpd[16870]: connect from fallback8.mail.ru[94.100.176.136]
Oct 22 19:08:43 phoenix postfix/policyd-weight[28755]: weighted check: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 CL_IP_EQ_HELO_IP=-2 (check from: .mail. - helo: .fallback8.mail. - helo-domain: .mail.) FROM/MX_MATCHES_HELO(DOMAIN)=-2 IN_ABUSE_RFCI=0.1; <client=94.100.176.136> <helo=fallback8.mail.ru> <from=pcangel@mail.ru> <to=al@indjov.info>; rate: -8.4
Oct 22 19:08:43 phoenix postfix/policyd-weight[28755]: decided action=PREPEND X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 CL_IP_EQ_HELO_IP=-2 (check from: .mail. - helo: .fallback8.mail. - helo-domain: .mail.) FROM/MX_MATCHES_HELO(DOMAIN)=-2 IN_ABUSE_RFCI=0.1; rate: -8.4; <client=94.100.176.136> <helo=fallback8.mail.ru> <from=pcangel@mail.ru> <to=al@indjov.info>; delay: 1s
Oct 22 19:08:43 phoenix postgrey[16856]: action=greylist, reason=new, client_name=fallback8.mail.ru, client_address=94.100.176.136, sender=pcangel@mail.ru, recipient=al@indjov.info
Oct 22 19:08:43 phoenix postfix/smtpd[16870]: NOQUEUE: reject: RCPT from fallback8.mail.ru[94.100.176.136]: 450 4.2.0 <al@indjov.info>: Recipient address rejected: Greylisted, see http://postgrey.schweikert.ch/help/indjov.info.html; from=<pcangel@mail.ru> to=<al@indjov.info> proto=ESMTP helo=<fallback8.mail.ru>

I want to avoid the delay that caused me gleylist, how can I do? Does anyone have an idea