enabled pre-smtp check with postscreen

Author: springcomp

postfix/conf.d/master.cf

@@ -29,9 +29,11 @@ retry      unix       -       -       n       -       -       error
 rewrite    unix       -       -       n       -       -       trivial-rewrite
 scache     unix       -       -       n       -       1       scache
 showq      unix       n       -       n       -       -       showq
-smtp       inet       n       -       n       -       -       smtpd
+smtp       inet       n       -       n       -       1       postscreen
+smtpd      pass       -       -       n       -       -       smtpd
 smtp       unix       -       -       n       -       -       smtp
 tlsmgr     unix       -       -       n       1000?   1       tlsmgr
+tlsproxy   unix       -       -       n       -       0       tlsproxy
 trace      unix       -       -       n       -       0       bounce
 verify     unix       -       -       n       -       1       verify
 virtual    unix       -       n       n       -       -       virtual

postfix/templates/11-icf-postscreen.tpl

@@ -0,0 +1,10 @@
+
+postscreen_bare_newline_enable = yes
+postscreen_bare_newline_action = enforce
+
+postscreen_greet_action = enforce
+
+postscreen_non_smtp_command_enable = yes
+postscreen_non_smtp_command_action = enforce
+
+postscreen_pipelining_enable = yes

postfix/templates/63-icf-recipient-restrictions.tpl

@@ -18,5 +18,5 @@ smtpd_recipient_restrictions =
   reject_rhsbl_sender your_DQS_key.zrd.dq.spamhaus.net=127.0.2.[2..24],
   reject_rhsbl_helo your_DQS_key.zrd.dq.spamhaus.net=127.0.2.[2..24],
   reject_rhsbl_reverse_client your_DQS_key.zrd.dq.spamhaus.net=127.0.2.[2..24],
-  reject_rbl_client bl.spamcop.net,
+  reject_rbl_client bl.spamcop.net=127.0.0.2,
   permit