Email Formats

{
  "mx": [
    "10 a1.spambusters.email.",
    "20 n1.spambusters.email."
  ],
  "spf": [
    "v=spf1 ip4:185.90.56.56 ip4:185.90.56.60 include:_spf.spambusters.email include:_spf49.serverhs.org ip4:185.90.56.70 +a +mx ~all"
  ]
}