Email Formats

{
  "mx": [
    "10 mta6.am0.yahoodns.net.",
    "10 mta5.am0.yahoodns.net.",
    "10 mta7.am0.yahoodns.net."
  ],
  "spf": [
    "v=spf1 redirect=_spf.mail.yahoo.com"
  ]
}