Email Formats

{
  "mx": [
    "10 cluster5.us.messagelabs.com.",
    "20 cluster5a.us.messagelabs.com.",
    "50 mail3.oceanpark.com.hk.",
    "60 mail4.oceanpark.com.hk."
  ],
  "spf": [
    "v=spf1 include:_spf.google.com include:spf.messagelabs.com include:spf.protection.outlook.com ~all"
  ]
}