Email Formats

{
  "mx": [
    "10 relay.uni-heidelberg.de.",
    "10 relay2.uni-heidelberg.de.",
    "10 relay3.uni-heidelberg.de."
  ],
  "spf": [
    "v=spf1 ip4:129.206.100.212 ip4:129.206.119.212 ip4:129.206.100.213 include:spf.protection.outlook.com mx -all"
  ]
}