Email Formats

{
  "mx": [
    "4 horizonmediagroup-com.mx4.mx25.net.",
    "2 horizonmediagroup-com.mx2.mx25.net.",
    "1 horizonmediagroup-com.mx1.mx25.net.",
    "3 horizonmediagroup-com.mx3.mx25.net."
  ],
  "spf": [
    "v=spf1 include:_spf.mlsend.com +a +mx +ip4:72.44.88.79 ~all"
  ]
}