Email Formats
{
"mx": [
"10 d279643a.ess.barracudanetworks.com.",
"20 d279643b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 include:amazonses.com include:spf.mailengine1.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all"
]
}