Email Formats

{
"mx": [
"10 d212086a.ess.barracudanetworks.com.",
"20 d212086b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 a:fnmail.fntech.com ip4:65.19.166.192/27 ip4:208.80.200.0/21 include:spf.ess.barracudanetworks.com -all"
]
}