Email Formats
{
"mx": [
"10 d270250a.ess.barracudanetworks.com.",
"20 d270250b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 ip4:45.40.144.49 include:spf.sendinblue.com a mx a:zixgateway.ichome.org include:servers.mcsv.net include:_spf.activedemand.com include:spf.protection.outlook.com ~all"
]
}