Email Formats

{
  "mx": [
    "20 mx2.krystal.uk.",
    "10 mx1.krystal.uk."
  ],
  "spf": [
    "v=spf1 ip4:185.194.90.16 include:relay.k.io ip4:77.72.1.162 a mx ip4:77.72.4.34 ~all"
  ]
}