Email Formats
{
"mx": [
"0 us-smtp-inbound-1.mimecast.com.",
"0 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:50.76.1.51 ip4:71.166.170.227 ip4:198.207.27.235 include:spf.protection.outlook.com include:us._netblocks.mimecast.com -all"
]
}