Email Formats

{
  "mx": [
    "30 mx1.dipusevilla.es.",
    "30 mx2.dipusevilla.es.",
    "5 mx3.dipusevilla.es.",
    "20 dipusevi1.dipusevilla.es.",
    "20 dipusevi2.dipusevilla.es."
  ],
  "spf": [
    "v=spf1 mx -all"
  ]
}