Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 mx ip4:72.198.174.18 ip4:170.146.221.98/29 include:spf.protection.outlook.com include:us._netblocks.mimecast.com ~all"
]
}