Email Formats

{
  "mx": [
    "10 mx5.safemail.ch.",
    "20 mx4.safemail.ch."
  ],
  "spf": [
    "v=spf1 ip4:83.166.129.232 include:dfinet.ch +a +mx +ip4:146.4.108.230 +include:smtp.dfinet.ch -all"
  ]
}