Email Formats
{
"mx": [
"10 d291544a.ess.barracudanetworks.com.",
"20 d291544b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:dedrelay.secureserver.net ip4:72.167.35.135 -all"
]
}