Email Formats

{
  "mx": [
    "100 mx.spamexperts.com.",
    "200 fallbackmx.spamexperts.eu.",
    "300 lastmx.spamexperts.net."
  ],
  "spf": [
    "v=spf1 a mx include:_spf.mlsend.com ip4:185.28.58.139 ip4:185.28.58.140 include:sendgrid.net include:mailgun.org -all"
  ]
}