From 9c559680a6277cc741b469fb45c156e63dfa02a3 Mon Sep 17 00:00:00 2001 From: ValdikSS Date: Mon, 11 Jan 2021 21:23:32 +0300 Subject: [PATCH] Add postscreen whitelist syntax and examples (#3931) --- data/Dockerfiles/postfix/postfix.sh | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/data/Dockerfiles/postfix/postfix.sh b/data/Dockerfiles/postfix/postfix.sh index 514fbccb..dffcfd44 100755 --- a/data/Dockerfiles/postfix/postfix.sh +++ b/data/Dockerfiles/postfix/postfix.sh @@ -358,7 +358,13 @@ fi if [[ ! -f /opt/postfix/conf/custom_postscreen_whitelist.cidr ]]; then echo "Creating dummy custom_postscreen_whitelist.cidr" - echo '# Autogenerated by mailcow' > /opt/postfix/conf/custom_postscreen_whitelist.cidr + cat < /opt/postfix/conf/custom_postscreen_whitelist.cidr +# Autogenerated by mailcow +# Rules are evaluated in the order as specified. +# Blacklist 192.168.* except 192.168.0.1. +# 192.168.0.1 permit +# 192.168.0.0/16 reject +EOF fi # Fix SMTP last login on slaves