Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 mx ip4:168.90.233.58 ip4:12.188.137.161 ip4:165.227.213.233 include:_netblocks.mimecast.com include:spf.protection.outlook.com include:spf.mandrillapp.com ~all"
]
}