Email Formats

{
  "mx": [
    "25 fallback.yourfilter.nl.",
    "15 primary.yourfilter.nl.",
    "10 primary.yourfilter.nl."
  ],
  "spf": [
    "v=spf1 include:_spf.yourfilter.nl a mx ip4:89.146.46.41 ~all"
  ]
}