Email Formats

{
  "mx": [
    "210 mxk1.fastweb.it.",
    "100 mail.unicomm.it.",
    "110 mail1.unicomm.it.",
    "210 mxk2.fastweb.it."
  ],
  "spf": [
    "v=spf1 mx ip4:93.62.188.187 ip4:93.62.188.188 ~all"
  ]
}