diff --git a/README.md b/README.md
index d0d3ecb..16ad394 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,12 @@ You can send a test alert to verify the mail configuration:
 
     runagent -m metrics1 test-alert
 
+### Customimze alert rules
+
+### Customize alert mail template
+
+
+
 ## Testing
 
 Test the module using the `test-module.sh` script:
diff --git a/imageroot/actions/configure-module/20configure b/imageroot/actions/configure-module/20configure
index 440644a..d08190a 100755
--- a/imageroot/actions/configure-module/20configure
+++ b/imageroot/actions/configure-module/20configure
@@ -48,7 +48,7 @@ else:
         agent_id=agent.resolve_agent_id('traefik@node'),
         action='delete-route',
         data={
-            'instance': os.environ['MODULE_ID']
+            'instance': os.environ['MODULE_ID'] + '_prometheus'
         },
     )
 
diff --git a/imageroot/actions/configure-module/80services b/imageroot/actions/configure-module/80services
index db44194..eca4d27 100755
--- a/imageroot/actions/configure-module/80services
+++ b/imageroot/actions/configure-module/80services
@@ -7,7 +7,7 @@
 
 # reload the configuration to apply new configuration
 if systemctl --user -q is-active prometheus.service; then
-    systemctl --user restart prometheus.service
+    systemctl --user restart prometheus.service alertmanager.service
 fi
 
 if [ -n "$GRAFANA_PATH" ]; then
diff --git a/imageroot/actions/configure-module/validate-input.json b/imageroot/actions/configure-module/validate-input.json
index 78d6ebc..0b700ec 100644
--- a/imageroot/actions/configure-module/validate-input.json
+++ b/imageroot/actions/configure-module/validate-input.json
@@ -9,7 +9,8 @@
             "grafana_path": "grafana",
             "lets_encrypt": true,
             "mail_to": [ "alert@nethserver.org" ],
-            "mail_from": "no-reply@nethserver.org"
+            "mail_from": "no-reply@nethserver.org",
+            "mail_template": "custom_mail"
         }
     ],
     "type": "object",
@@ -47,6 +48,11 @@
                 "type": "string",
                 "format": "email"
             }
+        },
+        "mail_template": {
+            "type": "string",
+            "description": "Name of the custom mail template to use for alerts. The file with the template must already exists inside templates.d/ directory.",
+            "format": "string"
         }
     }
 }
diff --git a/imageroot/bin/reload_configuration b/imageroot/bin/reload_configuration
index 4d9156a..0280b7b 100755
--- a/imageroot/bin/reload_configuration
+++ b/imageroot/bin/reload_configuration
@@ -43,7 +43,8 @@ ALERT_MANAGER_DEFAULT_CONFIG = {
             }
         ]
         }
-    ]
+    ],
+    'templates': "templates.d/*.tmpl"
 }
 
 def generate_prometheus_config(redis_client):
@@ -121,12 +122,13 @@ def generate_alertmanagr_config(redis_client):
     alert_config['global'] = smtp_config
 
     if smtp_config != {} and 'mail_to' in config and config['mail_to']:
+        mail_config = {
+            'to': ",".join(config['mail_to'])
+        }
+        if 'mail_template' in config and config['mail_template']:
+            mail_config['template'] = config['mail_template']
         alert_config['receivers'].append({
-            'email_configs': [
-                {
-                    'to': ",".join(config['mail_to'])
-                }
-            ],
+            'email_configs': [ mail_config ],
             'name': 'mail-alert',
             'continue': True
         })
@@ -135,6 +137,8 @@ def generate_alertmanagr_config(redis_client):
             'receiver': 'mail-alert'
         })
 
+    os.makedirs('templates.d', exist_ok=True)
+
     with open('alertmanager.yml', 'w') as f:
         yaml.dump(alert_config, f, default_flow_style=False)