Email Formats
{
"mx": [
"10 cluster8.us.messagelabs.com.",
"20 cluster8a.us.messagelabs.com.",
"30 cluster9.us.messagelabs.com.",
"40 cluster9a.us.messagelabs.com.",
"50 mail.printforce.com.au."
],
"spf": [
"v=spf1 include:spf.printforce.com.au include:spf.messagelabs.com -all"
]
}