diff --git a/roles/docker-mailu/templates/mailu.env.j2 b/roles/docker-mailu/templates/mailu.env.j2
index b0d8372d..939b1440 100644
--- a/roles/docker-mailu/templates/mailu.env.j2
+++ b/roles/docker-mailu/templates/mailu.env.j2
@@ -145,4 +145,7 @@ LOG_LEVEL=WARNING
 SQLALCHEMY_DATABASE_URI_ROUNDCUBE=mysql://{{database_username}}:{{database_password}}@{{database_host}}/{{database_name}}?collation=utf8mb4_unicode_ci
 SQLALCHEMY_DATABASE_URI=mysql+mysqlconnector://{{database_username}}:{{database_password}}@{{database_host}}/{{database_name}}?collation=utf8mb4_unicode_ci
 
-API_TOKEN={{mailu_api_token}}
\ No newline at end of file
+API_TOKEN={{mailu_api_token}}
+
+# Activated https://mailu.io/master/configuration.html#advanced-settings
+AUTH_REQUIRE_TOKENS=True
\ No newline at end of file