Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:208.87.18.197/32 ip4:38.104.144.18/32 ip4:38.96.48.131/32 include:us._netblocks.mimecast.com include:spf.protection.outlook.com ~all"
]
}