Email Formats

{
  "mx": [
    "10 mailgw.csi-sensor.com.tw.",
    "5 mail.csi-sensor.com.tw."
  ],
  "spf": [
    "v=spf1  ip4:59.125.169.10 ip4:59.125.169.25 ip4:210.61.193.25 ip4:125.227.188.43 ip4:210.201.89.16 -all"
  ]
}