Email Formats

{
  "mx": [
    "20 smtp-02.kruk.eu.",
    "10 mx-01-ext.kruk.eu.",
    "20 smtp-01.kruk.eu."
  ],
  "spf": [
    "v=spf1 a mx ip4:85.219.229.120 ip4:85.219.229.121 ip4:85.219.229.122 ip4:85.219.229.123 ip4:85.219.229.124 include:_spf.kruk.eu -all"
  ]
}