Email Formats

{
  "mx": [
    "5 mx3.etf.bg.ac.rs."
  ],
  "spf": [
    "v=spf1 ip4:147.91.14.229/32 ip4:147.91.16.161/32 ip4:147.91.14.169/32 ip4:147.91.14.170/32 mx ~all"
  ]
}