Email Formats
{
"mx": [
"10 d318100a.ess.barracudanetworks.com.",
"20 d318100b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 +ip4:194.195.218.148 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ~all"
]
}