Email Formats

{
  "mx": [
    "20 mx1.biz.mail.yahoo.com.",
    "20 sbsfe-p8.geo.mf0.yahoodns.net.",
    "30 mx-indiabiz.mail.gm0.yahoodns.net.",
    "30 mx5.biz.mail.yahoo.com."
  ],
  "spf": []
}