Email Formats

{
  "mx": [
    "0 spamgw.nsysu.edu.tw."
  ],
  "spf": [
    "v=spf1 ip4:140.117.11.49 ip4:140.117.11.245  ip4:140.117.11.36 ip4:140.117.11.37 ip4:140.117.13.239 ip4:140.117.13.240 ~all"
  ]
}