Email Formats

{
  "mx": [
    "10 mx1.krystal.io.",
    "20 mx2.krystal.io."
  ],
  "spf": [
    "v=spf1 ip4:77.72.1.53 ip4:77.72.2.109 ip4:77.72.1.194 ip4:77.72.4.34 ip4:77.72.4.2 a mx ip4:77.72.2.66 include:relay.k.io ?all"
  ]
}