diff --git a/applications/graphical/client-internet.nix b/applications/graphical/client-internet.nix
index 750aeaf..5d463cf 100644
--- a/applications/graphical/client-internet.nix
+++ b/applications/graphical/client-internet.nix
@@ -21,7 +21,7 @@ environment.systemPackages = with pkgs; [
     clawsMail
     hexchat
     quasselClient
-    mumble
+    #mumble
     pidgin
     thunderbird
 
diff --git a/services/monitoring-munin.nix b/services/monitoring-munin.nix
index 161e38c..ebde24e 100644
--- a/services/monitoring-munin.nix
+++ b/services/monitoring-munin.nix
@@ -48,9 +48,22 @@ mkIf flags.munin {
     hosts = ''
       [${config.networking.hostName}]
         address 127.0.0.1
+        df._dev_sda2.warning 35
+        use_node_name yes
+        #contacts syslog
+        contacts email
     '';
+    # http://sametmax.com/monitorez-vos-serveurs-avec-munin-et-notifications-par-email/
+    # http://guide.munin-monitoring.org/en/latest/tutorial/alert.html#syntax-of-warning-and-critical
     extraGlobalConfig = ''
-      contact.email.command ${pkgs.mutt}/bin/mutt -F /etc/nixos/base/services/munin-muttrc -s "Munin notification for ''${var:host}" root@prunetwork.fr
+      #---
+      #contact.email.command ${pkgs.mutt}/bin/mutt -F /etc/nixos/base/services/munin-muttrc  -s "Munin notification for ${config.networking.hostName}" root@ocean.prunetwork.fr
+      contact.email.command  /run/current-system/sw/bin/mutt -F /etc/nixos/base/services/munin-muttrc  -s "Munin notification for ${config.networking.hostName}" root@ocean.prunetwork.fr
+      contact.syslog.command /run/current-system/sw/bin/logger -p user.crit                 -t "Munin notification for ${config.networking.hostName}"
+
+      #---
+      contact.email.always_send ok,warning,critical,unknown
+      contact.syslog.always_send ok,warning,critical,unknown
     '';
   };