Email Formats

{
  "mx": [
    "3 mx1.spamgateway.cn.",
    "1 mx.spamgateway.cn.",
    "2 mx4.spamgateway.cn."
  ],
  "spf": [
    "v=spf1 ip4:218.108.61.181 ip4:183.129.135.0/24 ip4:101.71.246.0/24 ip4:183.246.7.0/24 ip4:218.108.61.0/24 include:spf.mailrelay.cn -all"
  ]
}