Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 ip4:40.78.64.200 ip4:63.228.188.85 ip4:73.97.96.238 ip4:73.239.52.181 include:spf.protection.outlook.com include:spf.constantcontact.com include:us._netblocks.mimecast.com -all"
]
}