Email Formats

{
  "mx": [
    "50 mx3.herzen.spb.ru.",
    "10 mx2.herzen.spb.ru.",
    "10 mxs.herzen.spb.ru."
  ],
  "spf": [
    "v=spf1 ip4:194.226.211.13 ip4:194.226.211.28 ip4:194.226.211.29 ip4:194.226.211.102 ~all"
  ]
}