Email Formats

{
  "mx": [
    "5 mxgate2.iust.ac.ir.",
    "5 mxgate.iust.ac.ir.",
    "20 mxgate3.iust.ac.ir."
  ],
  "spf": [
    "v=spf1 a mx ip4:194.225.230.0/24 ~all"
  ]
}