Email Formats

{
  "mx": [
    "0 mailprotect.cntsb.com."
  ],
  "spf": [
    "v=spf1 ip4:103.204.7.18 ip4:103.204.7.156 ip4:110.74.147.135 +a +mx +include:spfdm-ap-southeast-1.aliyun.com -all"
  ]
}