From 6ff6f7a28d5128fff497c2fa0ceec7da03976dea Mon Sep 17 00:00:00 2001
From: FreddleSpl0it <patschul@posteo.de>
Date: Fri, 29 Dec 2023 20:19:26 +0100
Subject: [PATCH] [Postfix] set smtpd_forbid_bare_newline = yes

---
 data/conf/postfix/main.cf | 1 +
 docker-compose.yml        | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/data/conf/postfix/main.cf b/data/conf/postfix/main.cf
index 237b4263..1dce6a4c 100644
--- a/data/conf/postfix/main.cf
+++ b/data/conf/postfix/main.cf
@@ -11,6 +11,7 @@ smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
 smtpd_relay_restrictions = permit_mynetworks,
   permit_sasl_authenticated,
   defer_unauth_destination
+smtpd_forbid_bare_newline = yes
 # alias maps are auto-generated in postfix.sh on startup
 alias_maps = hash:/etc/aliases
 alias_database = hash:/etc/aliases
diff --git a/docker-compose.yml b/docker-compose.yml
index 1156854e..2521e816 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -298,7 +298,7 @@ services:
             - dovecot
 
     postfix-mailcow:
-      image: mailcow/postfix:1.72
+      image: mailcow/postfix:1.73
       depends_on:
         mysql-mailcow:
           condition: service_started