Email Formats

{
  "mx": [
    "10 mail.cross.cz.",
    "20 mail2.cross.cz."
  ],
  "spf": [
    "v=spf1 mx ip4:80.95.109.22 ip4:212.111.30.244 include:crosszlin.cz include:spf.smartemailing.cz ~all"
  ]
}