diff --git a/nodes/qzwi.toml b/nodes/qzwi.toml
index 722318b..e99ce46 100644
--- a/nodes/qzwi.toml
+++ b/nodes/qzwi.toml
@@ -6,6 +6,7 @@ bundles = [
   "nginx",
   "nextcloud",
   "openldap",
+  "postfix",
   "php",
   "postgresql",
   "redis",