diff --git a/net-switch.sh b/net-switch.sh
index a176d2d88e2ac3fd76236bb819ad68cf63fa2230..bdfb65d3f64fb5a11d06e687c807f79d3ab68c53 100644
--- a/net-switch.sh
+++ b/net-switch.sh
@@ -46,6 +46,7 @@ if [[ -f "$stateFile" ]]; then
             kill $pid
             change_dns $APIKEY $tetrixPublicIPOnOVH
             echo "normal" > "$stateFile"
+            bash send_maintenance_mail.sh modele-mail-netbascule-stop
         fi
     else
         if [[ $state = "normal" ]]; then
@@ -53,6 +54,7 @@ if [[ -f "$stateFile" ]]; then
             bash $reverseSSHProxyPath &
             change_dns $APIKEY $aquilaPublicIPOnOVH
             echo "backup" > "$stateFile"
+            bash send_maintenance_mail.sh modele-mail-netbascule-start
         fi
     fi
 else
diff --git a/send_maintenance_mail.sh b/send_maintenance_mail.sh
index 7d4047e8bd4def7df93fa316fb7e9a6c0d908e4d..e9c1321076c9b978052fd7ebc9cc907725e23f0b 100644
--- a/send_maintenance_mail.sh
+++ b/send_maintenance_mail.sh
@@ -19,6 +19,14 @@ case $1 in
     "fin")
         mutt -s "Fin des operations de maintenance" -i modele-mail-fin $mailtosend
         ;;
+    "netbasculestart")
+        mailtosend="sysadmin@tetras-libre.fr"
+        mutt -s "Basculement auto du réseau WAN vers 4G" -i modele-mail-netbascule-start $mailtosend
+        ;;
+    "netbasculestart")
+        mailtosend="sysadmin@tetras-libre.fr"
+        mutt -s "Basculement auto du réseau 4G vers WAN" -i modele-mail-netbascule-stop $mailtosend
+        ;;
     *)
         echo "Usage: $0 {annonce|debut|fin}"
         exit 1