Email Formats

{
  "mx": [
    "2 mx.spamgateway.cn.",
    "1 mx5.spamgateway.cn.",
    "3 mx1.spamgateway.cn."
  ],
  "spf": [
    "v=spf1 ip4:14.136.192.231/28 ip4:116.6.107.198/27 include:spf.mailrelay.cn -all"
  ]
}