Email Formats
{
"mx": [
"10 d252306a.ess.barracudanetworks.com.",
"20 d252306b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 ip4:204.57.142.0/24 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com -all"
]
}