Email Formats
{
"mx": [
"1 filter1.merlin-2.mailguard.com.au.",
"2 filter2.merlin-2.mailguard.com.au.",
"3 filter3.merlin-2.mailguard.com.au."
],
"spf": [
"v=spf1 include:customer.mailguard.com.au include:spf.protection.outlook.com -all",
"v=spf1 include:mailgun.org ~all"
]
}