Email Formats

{
  "mx": [
    "0 cluster5.us.messagelabs.com.",
    "10 cluster5a.us.messagelabs.com."
  ],
  "spf": [
    "v=spf1 ip4:206.16.217.4 ip4:76.74.103.228 ip4:12.130.50.132 ip4:76.74.103.196 a include:spf.messagelabs.com"
  ]
}