diff --git a/config_example/config.py b/config_example/config.py
index ad1d7fc..c274be8 100644
--- a/config_example/config.py
+++ b/config_example/config.py
@@ -13,7 +13,36 @@ STARTPAGE = "startpage"
 # Users library
 #
 # This enables or disables the self registration
+# If you enable self registration it is recommended to configure "Django mail / smtp settings"
 USERS_SELF_REGISTRATION = False
+# This enables or disables the mail validation after self registration
+USERS_MAIL_VALIDATION = True
+# This enables or disables the account activation by an admin after self registration
+USERS_ADMIN_ACTIVATION = True
+
+#
+# Django mail / smtp settings
+#
+# The hostname of the smtp server
+# EMAIL_HOST = "<smtp_host>"
+# The port used for the smtp connection
+# EMAIL_PORT = <port_number>
+# The username for smtp authentication
+# EMAIL_HOST_USER = "<smtp_user>"
+# The password for smtp authentication
+# EMAIL_HOST_PASSWORD = "<smtp_password>"
+# The sender of piki emails
+# EMAIL_FROM = "piki@<host>"
+# Set to True, if TLS shall be used
+# EMAIL_USE_TLS = False
+# Set to True, if SSL shall be used
+# EMAIL_USE_SSL = True
+# The smtp timeout
+# EMAIL_TIMEOUT =
+# Define a ssl keyfile
+# EMAIL_SSL_KEYFILE =
+# Define an ssl certificate
+# EMAIL_SSL_CERTFILE =
 
 #
 # Themes library
@@ -32,6 +61,10 @@ DEBUG = False
 # SECURITY WARNING: don't run with a dummy secret in production! And don't let others read this key!
 SECRET_KEY = None
 
+# Define the administrators (for mail delivery)
+ADMINS = [("Piki", {EMAIL_FROM}), ]
+
+
 # This defines the listener hostnames for your django server
 # SECURITY WARNING: don't run with '0.0.0.0' in in production, unless you know what you are doing!
 # ALLOWED_HOSTS = ['<YOUR_SERVER_HOSTNAME>', ]
diff --git a/piki/settings.py b/piki/settings.py
index 2f2c39c..8170ca9 100644
--- a/piki/settings.py
+++ b/piki/settings.py
@@ -141,6 +141,8 @@ PAGES_ROOT = os.path.join(BASE_DIR, 'data', 'pages')
 
 WHOOSH_PATH = os.path.join(BASE_DIR, 'data', 'whoosh')
 
+LOGIN_URL = 'users-login'
+
 # Default primary key field type
 # https://docs.djangoproject.com/en/5.1/ref/settings/#default-auto-field
 
@@ -162,6 +164,18 @@ USER_CONFIG_DEFAULTS = {
     'DEFAULT_THEME': 'clear-blue',
     'ALLOWED_HOSTS': ['127.0.0.1', 'localhost', ],
     'CSRF_TRUSTED_ORIGINS': [],
+    'ADMINS': [],
+    #
+    'EMAIL_HOST': None,
+    'EMAIL_PORT': None,
+    'EMAIL_HOST_USER': None,
+    'EMAIL_FROM': "piki",
+    'EMAIL_HOST_PASSWORD': None,
+    'EMAIL_USE_TLS': None,
+    'EMAIL_USE_SSL': None,
+    'EMAIL_TIMEOUT': None,
+    'EMAIL_SSL_KEYFILE': None,
+    'EMAIL_SSL_CERTFILE': None,
 }
 
 # Set configuration parameters
@@ -170,9 +184,12 @@ thismodule = sys.modules[__name__]
 for property_name in USER_CONFIG_DEFAULTS:
     try:
         value = getattr(config, property_name)
+        setattr(thismodule, property_name, value)
     except AttributeError:
-        value = USER_CONFIG_DEFAULTS[property_name]
-    setattr(thismodule, property_name, value)
+        if not property_name.startswith('EMAIL_') or property_name == 'EMAIL_FROM':
+            value = USER_CONFIG_DEFAULTS[property_name]
+            setattr(thismodule, property_name, value)
+
 
 # SECURITY WARNING: keep the secret key used in production secret!
 #
diff --git a/users b/users
index c9532aa..d18f439 160000
--- a/users
+++ b/users
@@ -1 +1 @@
-Subproject commit c9532aaf37cc785583d7ffc89d1d2f738985171d
+Subproject commit d18f439cc275fcde71119c4c4af85d7fe978b02d