Email Formats
{
"mx": [
"10 mailforward1.cloudns.net.",
"10 mailforward2.cloudns.net."
],
"spf": [
"v=spf1 include:us._netblocks.mimecast.com include:spf.mandrillapp.com include:spf.protection.outlook.com include:authsmtp.com ~all"
]
}