Email Formats

{
  "mx": [
    "20 gateway01.rewag.de.",
    "10 gateway.rewag.de."
  ],
  "spf": [
    "v=spf1 a mx ip4:212.77.185.0/24 ip4:212.77.163.2 ip4:212.34.64.185 ip6:2001:16e0:104:3::/64 ip6:2001:16e0:104:4::/64 ~all"
  ]
}