Email Formats

{
  "mx": [
    "5 cluster4a.us.messagelabs.com.",
    "0 cluster4.us.messagelabs.com."
  ],
  "spf": [
    "v=spf1 include:spf.emailsignatures365.com include:spf.messagelabs.com include:spf.protection.outlook.com ip4:216.221.29.51 ip4:162.155.12.46 -all"
  ]
}