Email Formats

{
  "mx": [
    "10 mx01.ionos.de.",
    "10 mx00.ionos.de."
  ],
  "spf": [
    "v=spf1 a mx ip4:172.16.0.20 ip4:91.25.181.250 ip4:213.165.67.97 include:kundenserver.de include:_spf-eu.ionos.com ~all"
  ]
}