Email Formats

{
  "mx": [
    "20 mx2.sonatrach.dz.",
    "40 mx6.sonatrach.dz.",
    "10 mx.sonatrach.dz.",
    "30 mx5.sonatrach.dz."
  ],
  "spf": [
    "v=spf1 mx ~all"
  ]
}