Email Formats
{
"mx": [
"0 mx1.mailfilter.email.",
"20 mx3.mailfilter.email.",
"10 mx2.mailfilter.email."
],
"spf": [
"v=spf1 +a +mx +a:s111.hostserver.au a:smtp.telstra.com include:spf.protection.outlook.com include:activepipe.net include:sendgrid.net include:spf.mandrillapp.com ~all"
]
}