Email Formats

{
  "mx": [
    "10 smtp.google.com."
  ],
  "spf": [
    "v=spf1 a mx include:relay.mailchannels.net include:u9632514.wl015.sendgrid.net include:spf.mandrillapp.com ip4:66.96.128.0/18 ?all"
  ]
}