Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:pgnedge01.pathgroup.com include:securemail.pathgroup.com ip4:192.40.55.0/24 ~all"
]
}