From 5b896695b356dd02f5091ac4e544d553baaaaf90 Mon Sep 17 00:00:00 2001
From: Kevin Crawley <kcrawley@franklinamerican.com>
Date: Thu, 19 Jan 2017 12:58:05 -0600
Subject: [PATCH] modified parameter expansion

---
 target/start-mailserver.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/start-mailserver.sh b/target/start-mailserver.sh
index 2103b589..448c7725 100644
--- a/target/start-mailserver.sh
+++ b/target/start-mailserver.sh
@@ -18,7 +18,7 @@ DEFAULT_VARS["ENABLE_SASLAUTHD"]="${ENABLE_SASLAUTHD:="0"}"
 DEFAULT_VARS["SMTP_ONLY"]="${SMTP_ONLY:="0"}"
 DEFAULT_VARS["VIRUSMAILS_DELETE_DELAY"]="${VIRUSMAILS_DELETE_DELAY:="7"}"
 DEFAULT_VARS["DMS_DEBUG"]="${DMS_DEBUG:="0"}"
-DEFAULT_VARS["OVERRIDE_HOSTNAME"]="${OVERRIDE_HOSTNAME:="false"}"
+DEFAULT_VARS["OVERRIDE_HOSTNAME"]="${OVERRIDE_HOSTNAME}"
 ##########################################################################
 # << DEFAULT VARS
 ##########################################################################
@@ -319,7 +319,7 @@ function check() {
 function _check_hostname() {
 	notify "task" "Check that hostname/domainname is provided or overidden (no default docker hostname/kubernetes) [$FUNCNAME]"
 
-	if [[ ${DEFAULT_VARS["OVERRIDE_HOSTNAME"]} != "false" ]]; then
+	if [[ ! -z ${DEFAULT_VARS["OVERRIDE_HOSTNAME"]} ]]; then
 		export HOSTNAME=${DEFAULT_VARS["OVERRIDE_HOSTNAME"]}
 		export DOMAINNAME=$(echo $HOSTNAME | sed s/[^.]*.//)
 	fi