diff --git a/gestion/gen_confs/supervison.py b/gestion/gen_confs/supervison.py
index 04e4e35f..ab5e3ffa 100644
--- a/gestion/gen_confs/supervison.py
+++ b/gestion/gen_confs/supervison.py
@@ -23,6 +23,11 @@ class mail:
     mail_template =  """From: %(From)s
 To: %(To)s
 Subject: %(Subject)s
+Mime-Version: 1.0
+Content-Type: text/plain; charset="iso-8859-1"
+Content-Disposition: inline
+Content-Transfer-Encoding: 8bit
+
 
 %(Text)s"""