Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 a mx ip4:208.78.190.225/29 ip4:75.144.12.104/28 include:_netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.coredial.com -all"
]
}