Email Formats

{
  "mx": [
    "30 mx3.zmailcloud.com.",
    "10 mx1.zmailcloud.com.",
    "20 mx2.zmailcloud.com."
  ],
  "spf": [
    "v=spf1 ip4:66.96.128.0/18 include:_spf.zmailcloud.com include:spf.constantcontact.com a -all"
  ]
}