Email Formats

{
  "mx": [
    "20 mx2.krystal.uk.",
    "10 mx1.krystal.uk."
  ],
  "spf": [
    "v=spf1 include:relay.k.io include:_spf.mlsend.com include:_spf.mlsend.com  a  mx  ip4:77.72.1.48 ?all"
  ]
}