Email Formats
{
"mx": [
"0 holwick-biz.mail.protection.outlook.com.",
"10 mxa.mailgun.org.",
"10 mxb.mailgun.org."
],
"spf": [
"v=spf1 mx include:spf.protection.outlook.com include:mailgun.org a:dispatch-us.ppe-hosted.com -all"
]
}