Email Formats
{
"mx": [
"30 filter3.holmes-2.mailguard.com.au.",
"20 filter2.holmes-2.mailguard.com.au.",
"10 filter1.holmes-2.mailguard.com.au."
],
"spf": [
"v=spf1 include:customer.mailguard.com.au include:a._spf.brightspace.com include:mailrelay.t1cloud.com -all"
]
}