Email Formats
{
"mx": [
"0 us-smtp-inbound-1.mimecast.com.",
"0 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:66.171.197.178/32 ip4:66.171.197.179/32 ip4:66.171.197.163/32 ip4:66.171.197.185/32 ip4:64.74.171.0/24 include:us._netblocks.mimecast.com include:spf.protection.outlook.com ~all"
]
}