Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 ip4:66.246.8.165 ip4:216.46.126.4 ip4:216.46.107.32 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:Es._spf.adp.com include:spf.messagelabs.com ~all"
]
}