diff --git a/machines/storage01/forgejo.nix b/machines/storage01/forgejo.nix
index a19d798..c1bb250 100644
--- a/machines/storage01/forgejo.nix
+++ b/machines/storage01/forgejo.nix
@@ -61,6 +61,7 @@ in
 
         service = {
           EMAIL_DOMAIN_ALLOWLIST = "dgnum.eu,*";
+          EMAIL_DOMAIN_BLOCKLIST = "*.shop";
           ENABLE_NOTIFY_MAIL = true;
 
           DISABLE_REGISTRATION = false;