Email Formats

{
  "mx": [
    "20 mx3.rbc.ru.",
    "10 smtp.rbc.ru.",
    "20 mx2.rbc.ru."
  ],
  "spf": [
    "v=spf1 ip4:80.68.240.0/20 ip4:185.72.228.0/22 ip6:2a03:40a0::/32 include:spf.sendsay.ru -all"
  ]
}