Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:76.10.67.218 ip4:24.230.180.194 ip4:208.65.99.101 a include:spf.protection.outlook.com include:_netblocks.mimecast.com -all"
]
}