Email Formats

{
  "mx": [
    "10 mailgw2.gtinvest.com.",
    "20 mailgw9.gtinvest.com.",
    "30 mailgw1.gtinvest.com.",
    "40 mailgw3.gtinvest.com."
  ],
  "spf": [
    "v=spf1 include:_spf.gtinvest.com ~all"
  ]
}