Email Formats
{
"mx": [
"1 de-smtp-inbound-1.mimecast.com.",
"2 de-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 include:mailgun.org include:amazonses.com include:spf.protection.outlook.com include:de._netblocks.mimecast.com ~all"
]
}