Email Formats

{
  "mx": [
    "10 mxtls.expurgate.net."
  ],
  "spf": [
    "v=spf1 a mx ptr include:relay.praxcon.de ~all",
    "v=spf1 a mx ptr a:relay.praxcon.de  ip6:2001:4ba0:fff6:85::2 ~all"
  ]
}