Email Formats

{
  "mx": [
    "5 spamalumni.npust.edu.tw."
  ],
  "spf": [
    "v=spf1 ip4:140.127.4.0/24 ip4:140.127.4.35 redirect=mail.npust.edu.tw include:_spf.google.com a mx ~all"
  ]
}