Email Formats
{
"mx": [
"0 d57436a.ess.barracudanetworks.com.",
"1 d57436b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 mx ip4:128.92.22.18 ip4:108.192.141.98 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:_spf.google.com ~all"
]
}