Email Formats

{
"mx": [
"10 d335451a.ess.barracudanetworks.com.",
"20 d335451b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 mx a ip4:173.231.221.140 ip4:69.2.42.130 ip4:97.89.250.86 include:spf.protection.outlook.com ~all"
]
}