Email Formats

{
  "mx": [
    "1 mail.hcg.com.tw.",
    "30 smtp.hcg.com.tw.",
    "30 pop3.hcg.com.tw."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:59.124.229.223 ~all"
  ]
}