diff --git a/conf/settings.py b/conf/settings.py
index 5d77582..a82b3dc 100644
--- a/conf/settings.py
+++ b/conf/settings.py
@@ -11,16 +11,12 @@
 
 from pathlib import Path as __Path
 
+from django.core.validators import EmailValidator as __EmailValidator
+
 from django_yunohost_integration.base_settings import *  # noqa
 from django_yunohost_integration.secret_key import get_or_create_secret as __get_or_create_secret
 
 
-# Set via config_panel.toml
-DEBUG_ENABLED = '__DEBUG_ENABLED__'
-DEBUG = bool(int(DEBUG_ENABLED))
-
-# -----------------------------------------------------------------------------
-
 FINALPATH = __Path('__FINALPATH__')  # /opt/yunohost/$app
 assert FINALPATH.is_dir(), f'Directory not exists: {FINALPATH}'
 
@@ -33,6 +29,25 @@ assert LOG_FILE.is_file(), f'File not exists: {LOG_FILE}'
 PATH_URL = '__PATH_URL__'  # $YNH_APP_ARG_PATH
 PATH_URL = PATH_URL.strip('/')
 
+# -----------------------------------------------------------------------------
+# config_panel.toml settings:
+
+DEBUG_ENABLED = '__DEBUG_ENABLED__'
+LOG_LEVEL = '__LOG_LEVEL__'
+ADMIN_EMAIL = '__ADMIN_EMAIL__'
+# -----------------------------------------------------------------------------
+# Use/convert/validate config_panel.toml settings:
+
+DEBUG = bool(int(DEBUG_ENABLED))
+assert LOG_LEVEL in (
+    'DEBUG',
+    'INFO',
+    'WARNING',
+    'ERROR',
+    'CRITICAL',
+), f'Invalid LOG_LEVEL: {LOG_LEVEL!r}'
+__EmailValidator(message='ADMIN_EMAIL from config panel is not valid!')(ADMIN_EMAIL)
+
 # -----------------------------------------------------------------------------
 
 # Function that will be called to finalize a user profile:
@@ -45,7 +60,7 @@ SECRET_KEY = __get_or_create_secret(FINALPATH / 'secret.txt')  # /opt/yunohost/$
 # -----------------------------------------------------------------------------
 
 
-ADMINS = (('__ADMIN__', '__ADMINMAIL__'),)
+ADMINS = (('__ADMIN__', ADMIN_EMAIL),)
 
 MANAGERS = ADMINS
 
@@ -76,7 +91,7 @@ SERVER_EMAIL = 'noreply@__DOMAIN__'
 
 # Default email address to use for various automated correspondence from
 # the site managers. Used for registration emails.
-DEFAULT_FROM_EMAIL = '__ADMINMAIL__'
+DEFAULT_FROM_EMAIL = ADMIN_EMAIL
 
 # List of URLs your site is supposed to serve
 ALLOWED_HOSTS = ['__DOMAIN__']
@@ -111,6 +126,7 @@ else:
 STATIC_ROOT = str(PUBLIC_PATH / 'static')
 MEDIA_ROOT = str(PUBLIC_PATH / 'media')
 
+
 # -----------------------------------------------------------------------------
 
 LOGGING = {
@@ -137,17 +153,17 @@ LOGGING = {
         },
     },
     'loggers': {
-        '': {'handlers': ['log_file', 'mail_admins'], 'level': 'INFO', 'propagate': False},
-        'django': {'handlers': ['log_file', 'mail_admins'], 'level': 'INFO', 'propagate': False},
-        'axes': {'handlers': ['log_file', 'mail_admins'], 'level': 'WARNING', 'propagate': False},
+        '': {'handlers': ['log_file', 'mail_admins'], 'level': LOG_LEVEL, 'propagate': False},
+        'django': {'handlers': ['log_file', 'mail_admins'], 'level': LOG_LEVEL, 'propagate': False},
+        'axes': {'handlers': ['log_file', 'mail_admins'], 'level': LOG_LEVEL, 'propagate': False},
         'django_tools': {
             'handlers': ['log_file', 'mail_admins'],
-            'level': 'INFO',
+            'level': LOG_LEVEL,
             'propagate': False,
         },
         'django_yunohost_integration': {
             'handlers': ['log_file', 'mail_admins'],
-            'level': 'INFO',
+            'level': LOG_LEVEL,
             'propagate': False,
         },
     },
diff --git a/config_panel.toml b/config_panel.toml
index c7144fc..d1b530a 100644
--- a/config_panel.toml
+++ b/config_panel.toml
@@ -7,10 +7,24 @@ services = ["__APP__"]
     [main.config]
     name = "Configuration Options"
 
+        [main.config.admin_email]
+        ask = "ADMIN email"
+        type = "string"
+        help = "EMail address for error emails."
+        default = "root@localhost"
+        bind = "admin_email:__FINALPATH__/settings.py"
+
         [main.config.debug_enabled]
-        ask = "Enable DEBUG mode"
+        ask = "DEBUG mode"
         type = "boolean"
         yes = "1"
         no = "0"
         help = "Should be never enabled in production!"
         bind = "debug_enabled:__FINALPATH__/settings.py"
+
+        [main.config.log_level]
+        type = "string"
+        ask = "Log Level"
+        choices = ["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"]
+        default = "WARNING"
+        bind = "log_level:__FINALPATH__/settings.py"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index fee5921..6716bab 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -18,6 +18,12 @@ app=$YNH_APP_INSTANCE_NAME
 # 'debug_enabled' -> '__DEBUG_ENABLED__' -> settings.DEBUG
 debug_enabled="0"
 
+# 'log_level' -> '__LOG_LEVEL__' -> settings.LOG_LEVEL
+log_level="WARNING"
+
+# 'admin_email' -> '__ADMIN_EMAIL__' add in settings.ADMINS
+admin_email="${admin}@${domain}"
+
 #=================================================
 # SET CONSTANTS
 #=================================================
@@ -27,8 +33,6 @@ final_path=/opt/yunohost/$app
 log_path=/var/log/$app
 log_file="${log_path}/django_example_ynh.log"
 
-adminmail=$(ynh_user_get_info --username=$admin --key=mail)
-
 #=================================================
 # COMMON VARIABLES
 #=================================================
diff --git a/scripts/change_url b/scripts/change_url
index 98f98d6..f109026 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -31,9 +31,15 @@ log_path=$(ynh_app_setting_get --app="$app" --key=log_path)
 
 port=$(ynh_app_setting_get --app="$app" --key=port)
 db_pwd=$(ynh_app_setting_get --app="$app" --key=psqlpwd)
-admin_mail=$(ynh_user_get_info "$admin" mail)
 redis_db=$(ynh_app_setting_get --app="$app" --key=redis_db)
 
+#-------------------------------------------------
+# config_panel.toml settings:
+
+debug_enabled=$(ynh_app_setting_get --app="$app" --key=debug_enabled)
+log_level=$(ynh_app_setting_get --app="$app" --key=log_level)
+admin_email=$(ynh_app_setting_get --app="$app" --key=admin_email)
+
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
diff --git a/scripts/install b/scripts/install
index 5eab770..c826807 100755
--- a/scripts/install
+++ b/scripts/install
@@ -55,13 +55,16 @@ port=$(ynh_find_port --port=8000)
 ynh_app_setting_set --app="$app" --key=port --value="$port"
 
 db_pwd=$(ynh_app_setting_get --app="$app" --key=psqlpwd)
-admin_mail=$(ynh_user_get_info --username="$admin" --key=mail)
 
 redis_db=$(ynh_redis_get_free_db)
 ynh_app_setting_set --app="$app" --key=redis_db --value="$redis_db"
 
-# Always deactivate settings.DEBUG:
+#-------------------------------------------------
+# config_panel.toml settings:
+
 ynh_app_setting_set --app="$app" --key=debug_enabled --value="$debug_enabled"
+ynh_app_setting_set --app="$app" --key=log_level --value="$log_level"
+ynh_app_setting_set --app="$app" --key=admin_email --value="$admin_email"
 
 #=================================================
 # STANDARD MODIFICATIONS
@@ -164,7 +167,7 @@ cd "$final_path" || exit
 ./manage.py collectstatic --no-input
 
 # Create/update Django superuser (set unusable password, because auth done via SSOwat):
-./manage.py create_superuser --username="$admin" --email="$admin_mail"
+./manage.py create_superuser --username="$admin" --email="$(ynh_user_get_info "$admin" mail)"
 
 # Check the configuration
 # This may fail in some cases with errors, etc., but the app works and the user can fix issues later.
diff --git a/scripts/upgrade b/scripts/upgrade
index 9dfc208..3c17990 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -26,15 +26,29 @@ db_pwd=$(ynh_app_setting_get --app="$app" --key=psqlpwd)
 db_name=$(ynh_sanitize_dbid --db_name="$app")
 db_user=$db_name
 
-admin_mail=$(ynh_user_get_info "$admin" mail)
 redis_db=$(ynh_app_setting_get --app="$app" --key=redis_db)
 
+#-------------------------------------------------
+# config_panel.toml settings:
+
 debug_enabled=$(ynh_app_setting_get --app="$app" --key=debug_enabled)
 if [ -z "$debug_enabled" ]; then
 	debug_enabled="0"
 	ynh_app_setting_set --app="$app" --key=debug_enabled --value="$debug_enabled"
 fi
 
+log_level=$(ynh_app_setting_get --app="$app" --key=log_level)
+if [ -z "$log_level" ]; then
+	log_level="WARNING"
+	ynh_app_setting_set --app="$app" --key=log_level --value="$log_level"
+fi
+
+admin_email=$(ynh_app_setting_get --app="$app" --key=admin_email)
+if [ -z "$admin_email" ]; then
+	admin_email="root@localhost"
+	ynh_app_setting_set --app="$app" --key=admin_email --value="$admin_email"
+fi
+
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
@@ -58,13 +72,6 @@ ynh_script_progression --message="Stopping systemd services..." --weight=5
 
 ynh_systemd_action --service_name="$app" --action="stop"
 
-#=================================================
-# Manage old settings
-#=================================================
-
-# Always deactivate settings.DEBUG:
-ynh_app_setting_set --app=$app --key=debug_enabled --value="False"
-
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -156,7 +163,7 @@ cd "$final_path" || exit
 ./manage.py collectstatic --no-input
 
 # Create/update Django superuser (set unusable password, because auth done via SSOwat):
-./manage.py create_superuser --username="$admin" --email="$admin_mail"
+./manage.py create_superuser --username="$admin" --email="$(ynh_user_get_info "$admin" mail)"
 
 # Check the configuration
 # This may fail in some cases with errors, etc., but the app works and the user can fix issues later.
diff --git a/tests/conftest.py b/tests/conftest.py
index d1a679f..c2ac595 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -28,6 +28,8 @@ def pytest_configure():
         runserver=False,
         extra_replacements={
             '__DEBUG_ENABLED__': '0',
+            '__LOG_LEVEL__': 'INFO',
+            '__ADMIN_EMAIL__': 'foo-bar@test.tld',
         },
     )
     print('Local test files created here:')
diff --git a/tests/test_django_project.py b/tests/test_django_project.py
index cb6460b..6f81a8b 100644
--- a/tests/test_django_project.py
+++ b/tests/test_django_project.py
@@ -27,6 +27,12 @@ class DjangoYnhTestCase(HtmlAssertionMixin, TestCase):
 
         assert settings.ROOT_URLCONF == 'urls'
 
+    def test_config_panel_settings(self):
+        # config_panel.toml settings, set via tests.conftest.pytest_configure():
+        assert settings.DEBUG_ENABLED == '0' and settings.DEBUG is False
+        assert settings.LOG_LEVEL == 'INFO'
+        assert settings.ADMIN_EMAIL == 'foo-bar@test.tld'
+
     def test_urls(self):
         assert reverse('admin:index') == '/app_path/'