Email Formats

{
  "mx": [
    "10 cluster1.us.messagelabs.com.",
    "20 cluster1a.us.messagelabs.com."
  ],
  "spf": [
    "v=spf1 mx ip4:210.177.85.24 ip4:218.103.51.210 include:spf.messagelabs.com ~all"
  ]
}