Email Formats

{
  "mx": [
    "100 mx.cnt.ru.",
    "10 mail.cnt.ru."
  ],
  "spf": [
    "v=spf1 mx ip4:212.15.125.0/24 ip4:195.166.180.171 ip4:212.15.127.0/24 ip4:213.85.0.0/16 ip4:77.51.250.72/32 -all"
  ]
}