Email Formats

{
  "mx": [
    "20 email.avitech.aero.",
    "10 email.indra-avitech.aero."
  ],
  "spf": [
    "v=spf1 a mx a:m18s20-6-25db.ispgateway.de ip4:217.24.206.32/28 ip4:217.24.201.64/28 -all"
  ]
}