Email Formats

{
  "mx": [
    "1 mx-chinadaily-com-cn.icoremail.net.",
    "10 mx.chinadaily.com.cn."
  ],
  "spf": [
    "v=spf1 ip4:125.35.18.52 ip4:125.35.18.63 include:spf.icoremail.net -all"
  ]
}