Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"20 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 include:us._netblocks.mimecast.com ip4:8.40.7.20 ip4:139.138.57.228/32 ip4:68.232.145.169/32 mx include:spf.protection.outlook.com \" \"~all"
]
}