Email Formats
{
"mx": [
"10 d210749a.ess.barracudanetworks.com.",
"20 d210749b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 a include:outbound.mailhop.org include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ~all"
]
}