Email Formats

{
  "mx": [
    "7 gw.cerge-ei.cz."
  ],
  "spf": [
    "v=spf1 mx mx:is.cuni.cz include:servers.mcsv.net include:_spf.google.com ip4:195.113.12.32/27 ip4:81.2.246.13/32 -all"
  ]
}