Email Formats
{
"mx": [
"10 d132387a.ess.barracudanetworks.com.",
"20 d132387b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 mx ip4:128.92.155.36 ip4:12.139.113.96 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ~all"
]
}