---
apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
  name: postfix-smtp-tls
  namespace: mailgateway
spec:
  secretName: postfix-smtp-tls
  issuerRef:
    name: vault-issuer
    kind: ClusterIssuer
  commonName: mail.main.unkin.net
  dnsNames:
    - mail.main.unkin.net
    - smtp-in.main.unkin.net
  privateKey:
    size: 4096
    algorithm: RSA