Email Formats
{
"mx": [
"30 filter3.rca-2.mailguard.com.au.",
"20 filter2.rca-2.mailguard.com.au.",
"10 filter1.rca-2.mailguard.com.au."
],
"spf": [
"v=spf1 ip4:203.27.183.254 include:spf.protection.outlook.com include:customer.mailguard.com.au include:spf.exclaimer.net -all"
]
}