Email Formats
{
"mx": [
"20 filter2.airlin-1.mailguard.com.au.",
"30 filter3.airlin-1.mailguard.com.au.",
"10 filter1.airlin-1.mailguard.com.au."
],
"spf": [
"v=spf1 ip4:94.237.76.248 ip4:152.44.34.62 include:spf.protection.outlook.com include:customer.mailguard.com.au ~all"
]
}