Email Formats

{
  "mx": [
    "10 mx1.cbr-mx.de.",
    "10 mx2.cbr-mx.de.",
    "20 mx3.cbr-mx.de."
  ],
  "spf": [
    "v=spf1 include:spf.cbr-mx.de include:spf.crsend.com -all"
  ]
}