Email Formats

{
  "mx": [
    "10 mx01.ionos.de.",
    "10 mx00.ionos.de."
  ],
  "spf": [
    "v=spf1 +a +mx include:_spf-eu.ionos.com include:spf.cluster.4hr.de include:_spf.kundenserver.de include:spf.protection.outlook.com include:spf.esgroup-kassel.de ~all"
  ]
}