Email Formats

{
"mx": [
"20 d49992b.ess.barracudanetworks.com.",
"10 d49992a.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 a mx ip4:12.105.135.10 ip4:70.35.45.241 ip4:12.105.135.10 include:spf.constantcontact.com include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all"
]
}