Email Formats
{
"mx": [
"99 d317668a.ess.barracudanetworks.com.",
"99 d317668b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 ip4:216.119.142.57 include:_spf.salesforce.com include:spf.ess.barracudanetworks.com include:inbound.efax.com include:spf.protection.outlook.com -all"
]
}