From 55f6260bad437177399951103e0857dd5b744a90 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Pl=C3=B6tz?=
 <reneploetz@users.noreply.github.com>
Date: Tue, 27 Dec 2022 20:50:03 +0100
Subject: [PATCH] fix: Ensure relay host properly handles credentials check
 (#2965)

A recent change broke the conditional check. Reverting.
---
 target/scripts/helpers/relay.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/scripts/helpers/relay.sh b/target/scripts/helpers/relay.sh
index 735696d4..4580d7ed 100644
--- a/target/scripts/helpers/relay.sh
+++ b/target/scripts/helpers/relay.sh
@@ -63,7 +63,7 @@ function _env_relay_host
 function _relayhost_sasl
 {
   if [[ ! -f /tmp/docker-mailserver/postfix-sasl-password.cf ]] \
-    && [[ -z ${RELAY_USER} ]] || [[ -z ${RELAY_PASSWORD} ]]
+    && [[ -z ${RELAY_USER} || -z ${RELAY_PASSWORD} ]]
   then
     _log 'warn' "Missing relay-host mapped credentials provided via ENV, or from postfix-sasl-password.cf"
     return 1