Email Formats

{
  "mx": [
    "90 securemx02.mailplug.com.",
    "80 securemx01.mailplug.com.",
    "20 cluster1a.us.messagelabs.com.",
    "10 cluster1.us.messagelabs.com."
  ],
  "spf": [
    "v=spf1 mx include:mailplug.com ~all"
  ]
}