Email Formats

{
  "mx": [
    "15 mxa.mailgun.org.",
    "0 nationalbus-com.mail.protection.outlook.com.",
    "20 mxb.mailgun.org."
  ],
  "spf": [
    "v=spf1 include:spf.protection.outlook.com include:send.aweber.com include:mailgun.org ip4:70.168.68.37 ip4:70.183.45.4 -all"
  ]
}