switched mail system to mailjet

config/sync/mailsystem.settings.yml

@@ -2,7 +2,7 @@ _core:
   default_config_hash: IhwTepsVwtbtbcT5GzQKhCXDCRvbk3MNkWqPiuiZ10s
 theme: materiotheme
 defaults:
-  sender: mailgun_mail
+  sender: mailjet_mail
   formatter: swiftmailer
 modules:
   swiftmailer: