Email Formats
{
"mx": [
"10 filter1.thinkp-1.mailguard.com.au.",
"20 filter2.thinkp-1.mailguard.com.au.",
"30 filter3.thinkp-1.mailguard.com.au."
],
"spf": [
"v=spf1 include:_spf.google.com include:spf.mailcluster.com.au include:customer.mailguard.com.au ~all"
]
}