Email Formats
{
"mx": [
"10 au-smtp-inbound-1.mimecast.com.",
"10 au-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 include:au._netblocks.mimecast.com mx ip4:124.47.190.113 ip4:203.13.68.160 ip4:124.47.151.65 include:spf.v6send.net include:spf.protection.outlook.com ~all"
]
}