Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:70.164.28.38 ip4:70.164.28.36 ip4:209.143.141.47 ip4:64.106.173.0/25 include:us._netblocks.mimecast.com include:spf.protection.outlook.com -all"
]
}