Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 include:us._netblocks.mimecast.com include:_spf.mlsend.com ip4:216.201.155.22 ip4:72.253.142.25 include:servers.mcsv.net include:spf.protection.outlook.com include:e2ma.net -all"
]
}