From 3b08b113bfbea68df632efb710e0237b1b28b2f4 Mon Sep 17 00:00:00 2001
From: Alexander Graf <ghostwheel42@users.noreply.github.com>
Date: Thu, 12 Jan 2023 15:15:52 +0100
Subject: [PATCH] Fix ipv6 subnet for xclient_hosts

---
 core/postfix/conf/main.cf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/postfix/conf/main.cf b/core/postfix/conf/main.cf
index 7a2d0fe6..37fa70d0 100644
--- a/core/postfix/conf/main.cf
+++ b/core/postfix/conf/main.cf
@@ -121,7 +121,7 @@ smtpd_relay_restrictions =
 
 unverified_recipient_reject_reason = Address lookup failure
 
-smtpd_authorized_xclient_hosts={{ SUBNET}},{{ SUBNET6 }}
+smtpd_authorized_xclient_hosts={{ SUBNET}}{% if SUBNET6 %},[{{ SUBNET6 }}]{% endif %}
 
 ###############
 # Milter