Email Formats

{
  "mx": [
    "20 mx2.krystal.uk.",
    "10 mx1.krystal.uk."
  ],
  "spf": [
    "v=spf1 ip4:77.72.1.18 ip4:77.72.2.75 include:relay.k.io mx a ip4:77.72.0.118 ~all"
  ]
}