apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
  name: exim-forwarder-cert
spec:
  secretName: exim-forwarder-cert
  duration: 2160h
  renewBefore: 360h
  subject:
    organizations:
      - hottis-de
  isCA: false
  privateKey:
    algorithm: RSA
    encoding: PKCS1
    size: 2048
  usages:
    - server auth
  dnsNames:
    - mx.hottis.de
  issuerRef:
    name: letsencrypt-staging-http
    kind: ClusterIssuer
    group: cert-manager.io