Email Formats
{
"mx": [
"20 d277164b.ess.barracudanetworks.com.",
"10 d277164a.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 ip4:199.116.138.185 ip4:64.106.173.0/25 ip4:20.64.238.153 include:_spf.salesforce.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:mail.zendesk.com include:_spf.billtrust.com include:sendgrid.net -all"
]
}