diff --git a/kustomize/dovecot-deployment.yaml b/kustomize/dovecot-deployment.yaml
index 9f6f385..4d50e7f 100644
--- a/kustomize/dovecot-deployment.yaml
+++ b/kustomize/dovecot-deployment.yaml
@@ -16,7 +16,7 @@ spec:
   template:
     metadata:
       labels:
-        app: dovecat
+        app: dovecot
         tier: imap
     spec:
       containers:
diff --git a/kustomize/dovecot-svc.yaml b/kustomize/dovecot-svc.yaml
index 2c5c2d5..b83cfe9 100644
--- a/kustomize/dovecot-svc.yaml
+++ b/kustomize/dovecot-svc.yaml
@@ -4,6 +4,7 @@ metadata:
   name: dovecot
   labels:
     app: dovecot
+    tier: imap
 spec:
   ports:
   - nodePort: 30024
diff --git a/kustomize/postfix-svc.yaml b/kustomize/postfix-svc.yaml
index 0dde14d..6710fcd 100644
--- a/kustomize/postfix-svc.yaml
+++ b/kustomize/postfix-svc.yaml
@@ -7,6 +7,7 @@ metadata:
 spec:
   selector:
     app: postfix
+    tier: smtp
   type: LoadBalancer
   ports:
   - port: 30025