From 07d6a33ba1b4d2c7900527ba242f5fdec6099b4f Mon Sep 17 00:00:00 2001
From: Sebastian Wagner <sebix@sebix.at>
Date: Wed, 22 Feb 2023 23:31:15 +0100
Subject: [PATCH] optionally allow setting smtp address binds

if mailcow smtp, smtps and submission should not listen on all
addresses, the variables SMTP_BIND, SMTPS_BIND and SUBMISSION_BIND can
now be used
---
 docker-compose.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index 7c6c5d6a..9cb1ceab 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -319,9 +319,9 @@ services:
       cap_add:
         - NET_BIND_SERVICE
       ports:
-        - "${SMTP_PORT:-25}:25"
-        - "${SMTPS_PORT:-465}:465"
-        - "${SUBMISSION_PORT:-587}:587"
+        - "${SMTP_BIND:-}:${SMTP_PORT:-25}:25"
+        - "${SMTPS_BIND:-}:${SMTPS_PORT:-465}:465"
+        - "${SUBMISSION_BIND:-}:${SUBMISSION_PORT:-587}:587"
       restart: always
       dns:
         - ${IPV4_NETWORK:-172.22.1}.254