Email Formats

{
  "mx": [
    "40 mx.tigertech.net.",
    "20 mx2.tigertech.net.",
    "30 mx3.tigertech.net.",
    "10 mx1.tigertech.net."
  ],
  "spf": [
    "v=spf1 include:_spf.mlsend.com include:_spf.mlsend.com include:customers.tigertech.net ?all"
  ]
}