Email Formats

{
  "mx": [
    "10 smtp.retrevo.com."
  ],
  "spf": [
    "v=spf1 mx ip4:64.245.1.134 ip4:63.146.69.246 ip4:67.201.52.197 ip4:67.201.52.65 include:cust-spf.exacttarget.com -all"
  ]
}