diff --git a/dicos/70_prometheus.xml b/dicos/70_prometheus.xml
index 79352e6..ba4c1ad 100644
--- a/dicos/70_prometheus.xml
+++ b/dicos/70_prometheus.xml
@@ -9,9 +9,8 @@
         <service>alertmanager</service>
         <service>grafana-server</service>
         <service_access service='prometheus'>
-            <port service_accesslist="saLemon">80</port>
-            <port service_accesslist="saLemon">443</port>
             <port service_accesslist="prometheus">9090</port>
+            <port service_accesslist="alertmanager">9093</port>
         </service_access>
         <service_access service='grafana-server'>
             <port service_accesslist="grafana">3000</port>
@@ -90,6 +89,9 @@
         <variable name='alSMTPHost' type='string' description="Adresse du serveur SMTP pour l'envois des alertes"/>
         <variable name='alSMTPPort' type='string' description="Port d'écoute du serveur SMTP pour l'envois des alertes"/>
         <variable name='alFrom' type='string' description="Adresse d'origine des emails d'alerte"/>
+		<variable name='alSMTPTLS' type='oui/non' description="Utiliser STARTTLS">
+			<value>non</value>
+		</variable>
         <variable name='alSMTPAuth' type='oui/non' description="Authentification requise sur le serveur SMTP ?">
             <value>non</value>
         </variable>
@@ -191,6 +193,7 @@
             <param>non</param>
             <target type='family'>alertes prometheus</target>
             <target type='filelist'>alertmanager</target>
+            <target type='service_accesslist'>alertmanager</target>
         </condition>
 
         <condition name='disabled_if_in' source='ajout_client_prometheus'>
diff --git a/tmpl/alertmanager.yml b/tmpl/alertmanager.yml
index ed36ed8..2565f45 100644
--- a/tmpl/alertmanager.yml
+++ b/tmpl/alertmanager.yml
@@ -5,6 +5,11 @@ global:
 %if %%getVar('alSMTPAuth','non') == 'oui'
   smtp_auth_username: '%%alSMTPUser'
   smtp_auth_password: 'alSMTPPass'
+%end if
+%ïf %%getVar('alSMTPTLS','non') == 'oui'
+  smtp_require_tls: true
+%else
+  smtp_require_tls: false
 %end if
   # The auth token for Hipchat.
   #hipchat_auth_token: '1234556789'
@@ -25,7 +30,7 @@ route:
   # When a new group of alerts is created by an incoming alert, wait at
   # least 'group_wait' to send the initial notification.
   # This way ensures that you get multiple alerts for the same group that start
-  # firing shortly after another are batched together on the first 
+  # firing shortly after another are batched together on the first
   # notification.
   group_wait: 30s
 
diff --git a/tmpl/prometheus.yml b/tmpl/prometheus.yml
index 31de0c7..cea07be 100644
--- a/tmpl/prometheus.yml
+++ b/tmpl/prometheus.yml
@@ -41,11 +41,11 @@ scrape_configs:
 ]
 %end if
 
-#alerting:
-#  alertmanagers:
-#  - scheme: https
-#    static_configs:
-#    - targets:
-#      - "1.2.3.4:9093"
-#      - "1.2.3.5:9093"
-#      - "1.2.3.6:9093"
+%if %%getVar('activerAlertmanager','non') == 'oui'
+alerting:
+  alertmanagers:
+  - scheme: http
+    static_configs:
+    - targets:
+       - "%%nom_domaine_machine:9093"
+%end if