From 0d08faeb3231bb60dc4099262afd18519c10b5ed Mon Sep 17 00:00:00 2001
From: Peter Bieringer <pb@bieringer.de>
Date: Mon, 24 Jul 2023 07:33:12 +0200
Subject: [PATCH] add trigger for postfix/postscreen DNSBL rank message

---
 config/filter.d/postfix.conf |  4 ++++
 config/jail.conf             | 10 ++++++++++
 2 files changed, 14 insertions(+)

diff --git a/config/filter.d/postfix.conf b/config/filter.d/postfix.conf
index b374f472..7faec922 100644
--- a/config/filter.d/postfix.conf
+++ b/config/filter.d/postfix.conf
@@ -52,6 +52,10 @@ mdre-aggressive = %(mdre-auth2)s
 mdpr-errors = too many errors after \S+
 mdre-errors = ^from [^[]*\[<HOST>\]%(_port)s$
 
+# Extra mode "screendnsbl", triggered on postfix/postscreen[<PID>]: DNSBL rank <NUM> for [<HOST>]:<PORT>
+mdpr-screendnsbl = DNSBL rank \d+
+mdre-screendnsbl = for \[<HOST>\]%(_port)s
+
 
 failregex = <mdre-<mode>>
 
diff --git a/config/jail.conf b/config/jail.conf
index 12cb03d2..e8b10da1 100644
--- a/config/jail.conf
+++ b/config/jail.conf
@@ -599,6 +599,16 @@ backend  = %(postfix_backend)s
 maxretry = 1
 
 
+[postfix-screendnbl]
+
+filter   = postfix[mode=screendnsbl]
+port     = smtp,465,submission
+logpath  = %(postfix_log)s
+backend  = %(postfix_backend)s
+maxretry = 1
+bantime  = 4h
+
+
 [sendmail-auth]
 
 port    = submission,465,smtp