Email Formats

{
  "mx": [
    "5 mail.dufour-treuhand.ch.",
    "100 mail.comail.ch."
  ],
  "spf": [
    "v=spf1 include:_spf.mlsend.com +a +mx +ip4:80.74.152.40 +ip4:149.126.0.0/21 include:amazonses.com -all"
  ]
}