diff --git a/README.md b/README.md
index 5fb3cdd..78ab0ef 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@ A mailing list management system.
 
 > https://docs.mailman3.org
 
+This configuration is intented to be used with [mailu](https://git.autonomic.zone/coop-cloud/mailu) (see [coop-cloud/mailu#1](https://git.autonomic.zone/coop-cloud/mailu/issues/1)).
+
 <!-- metadata -->
 
 - **Category**: