Email Formats
{
"mx": [
"10 au-smtp-inbound-1.mimecast.com.",
"20 au-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 a:mail.yaffa.com.au a:mail.carmacloud.com include:_spf.createsend.com include:cmail1.com include:mktomail.com include:spf.protection.outlook.com include:au._netblocks.mimecast.com ~all"
]
}