Email Formats

{
  "mx": [
    "40 relay4.fc-zenit.ru.",
    "30 relay3.fc-zenit.ru.",
    "10 relay1.fc-zenit.ru.",
    "20 relay2.fc-zenit.ru."
  ],
  "spf": [
    "v=spf1 +mx ip4:81.23.121.32/27 ~all"
  ]
}