diff --git a/Cron/Functions.php b/Cron/Functions.php
index ca8ad189..ed61d912 100755
--- a/Cron/Functions.php
+++ b/Cron/Functions.php
@@ -848,3 +848,12 @@ function est_anglophone()
 {
 	return (isset($_SESSION['lang']) && $_SESSION['lang']=="en_US");
 }
+
+function estUnMail($adresseMail)
+{
+	if (filter_var($adresseMail, FILTER_VALIDATE_EMAIL)) {
+		return true;
+	} else {
+		return false;
+	}
+}