apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: np-{{ include "mail-relay.fullname" . }}
  labels:
    {{- include "mail-relay.labels" . | nindent 4 }}
spec:
  podSelector:
    matchLabels:
      app.kubernetes.io/name: {{ include "mail-relay.name" . }}
  policyTypes:
    - Ingress
  ingress:
    - ports:
        - port: 587