Update install-postfix.sh

install-postfix.sh

@@ -87,9 +87,9 @@ case "$choice" in
 	read TESTEMAIL
 	
 	if [ "${TESTEMAIL}" != "" ]; then
-		if [ "${TESTEMAIL}" = "push" ]; then
+		if [ "${TESTEMAIL,,}" = "push" ]; then
 			TESTEMAIL='b3upzaom7a@pomail.net'
-		elif [ "${TESTEMAIL}" = "mms" ]; then
+		elif [ "${TESTEMAIL,,}" = "mms" ]; then
 			TESTEMAIL='9208839613@mms.att.net'
 		fi
 		[ "$(ip route | awk '/default/ { print $5 }')" == "link" ] && HIP=$(ip addr show $(ip route | awk '/1 dev eth0/ { print $5 }') | grep "inet" | head -n 1 | awk '/inet/ {print $2}' | cut -d'/' -f1) ||