diff --git a/sms_received.sh b/sms_received.sh
index 59b51f3..9b2ad32 100755
--- a/sms_received.sh
+++ b/sms_received.sh
@@ -72,6 +72,7 @@ CMD=$(echo "$TEXT" | awk '{print toupper($1)}')
 # SWITCH CASE DEPENDING ON SMS TEXT FIRST WORD
 ########################################################################
 echo "COMMAND = $CMD"
+[[ "$CMD" == ""]] && exit 1
 
 # Handle commands
 case "$CMD" in
@@ -94,6 +95,7 @@ case "$CMD" in
             echo "${MESSAGE}"
         fi
         ## OK CMD=GROUPE suivi de message
+        [[ ${phone} != $SMSADMIN ]] && [[ ! -d /home/${YOU}/.zen/SMS/GUILDES/${CMD} ]] && echo "AUCUNE GUILDE ${CMD} - EXIT -" && exit 0
         $MY_PATH/sms/GUILDE.sh "$phone" "$CMD" > /home/${YOU}/.zen/SMS/debug.log
 		;;
 esac