Email Formats

{
  "mx": [
    "10 c1232.mx.srv.dfn.de.",
    "10 b1232.mx.srv.dfn.de.",
    "10 a1232.mx.srv.dfn.de."
  ],
  "spf": [
    "v=spf1 mx include:spf.gwdg.de ip4:192.124.250.3 a:mail.mpifg.de ~all"
  ]
}