Email Formats

{
  "mx": [
    "20 smtp1.open.ru.",
    "20 smtp2.open.ru.",
    "20 smtp3.open.ru."
  ],
  "spf": [
    "v=spf1 +mx ip4:91.197.177.56 ip4:91.197.177.57 ip4:91.197.177.71 ip4:91.197.177.72 ip4:91.197.177.73 ip4:91.197.177.74 -all"
  ]
}