from="Polytechnique.org" <validation_modification@polytechnique.org>
cc="Polytechnique.org" <validation_modification@polytechnique.org>
+[xnet_notification]
+from="Polytechnique.org" <contact@polytechnique.org>
+
+[newsletter_schedule_mailing]
+from="Gestion des NLs" <support@polytechnique.org>
+to=br@staff.polytechnique.org