Email Formats
{
"mx": [
"0 de-smtp-inbound-1.mimecast.com.",
"0 de-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 mx ip4:190.60.116.43 ip4:190.60.116.46 ip4:190.60.226.137 ip4:199.244.72.131 include:spf.protection.outlook.com include:mailgun.org include:de._netblocks.mimecast.com -all"
]
}