Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:96.3.248.90 ip4:40.78.168.148 a include:_netblocks.mimecast.com include:spf.constantcontact.com include:spf.protection.outlook.com -all"
]
}