Email Formats

{
  "mx": [
    "0 posta.b2m.cz.",
    "10 secondary.blue4.cz."
  ],
  "spf": [
    "v=spf1 mx a ip4:91.222.52.0/25 include:b2mcz.zendesk.com include:smtp.zendesk.com include:mail.zendesk.com -all"
  ]
}