Email Formats

{
  "spf": [
    "v=spf1 a mx ptr ip4:216.38.214.0/24 ip4:216.58.170.0/24 ip4:216.148.96.0/24 ip4:216.148.97.0/24 ip4:74.63.175.0/24 ip4:159.182.0.0/16 ~all"
  ]
}