Email Formats

{
  "mx": [
    "10 mx1.airbank.cz.",
    "20 mx2.airbank.cz.",
    "30 mx3.airbank.cz."
  ],
  "spf": [
    "v=spf1 include:_spf.google.com include:spf.mandrillapp.com include:servers.mcsv.net include:mail.zendesk.com include:_spf.salesforce.com ip4:80.188.97.69 ip4:193.165.169.163 ip4:193.165.201.45 ~all"
  ]
}