Email Formats
{
"mx": [
"0 d269974a.ess.barracudanetworks.com.",
"10 d269974b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 include:spf.protection.outlook.com ip4:173.72.16.164 include:authsmtp.com include:spf.ess.barracudanetworks.com include:_spf.salesforce.com include:email.nimbleams.com -all"
]
}