diff --git a/monitoring/altinea_monitoring_request.sh b/monitoring/altinea_monitoring_request.sh
index 1e09b06..07ff8fc 100644
--- a/monitoring/altinea_monitoring_request.sh
+++ b/monitoring/altinea_monitoring_request.sh
@@ -7,6 +7,12 @@ DEBUG() {
 # Define VPN interface name
 VPNIF="vpnaltinea"
 
+if ! [ -x "$(command -v sendEmail)" ]; then
+    echo "sendEmail could not be found, please install it with :"
+    echo "apt install sendEmail"
+    exit 99;
+fi
+
 if ! [ -x "$(command -v jq)" ]; then
     echo "jq could not be found, please install it with :"
     echo "apt install jq"