Email Formats

{
  "mx": [
    "20 pmg02.first-colo.net.",
    "10 pmg01.first-colo.net."
  ],
  "spf": [
    "v=spf1 include:_spf4.first-colo.net include:_spf6.first-colo.net include:mailgun.org a:mx02.first-colo.net include:spf.protection.outlook.com ~all"
  ]
}