Email Formats

{
  "mx": [
    "10 mx.petraco-oil.com.",
    "20 mx3.petraco-oil.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:185.88.77.12    ip4:185.88.77.11 ip4:62.2.91.34 -all"
  ]
}