Email Formats

{
  "mx": [
    "10 mail.casablanca.com.hk.",
    "20 mail1.casablanca.com.hk."
  ],
  "spf": [
    "v=spf1 ip4:202.82.62.125 a mx include:s1577.smtp-spf.sureserver.com ~all"
  ]
}