Email Formats

{
"mx": [
"10 d41033a.ess.barracudanetworks.com.",
"10 d41033b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 mx ip4:162.253.47.67 ip4:66.161.237.8 ip4:199.200.84.132 include:spf.constantcontact.com include:confirmedcc.com -all"
]
}