Email Formats

{
  "mx": [
    "110 smtp-fallback.corpex-net.de.",
    "20 smtp.mail.superscreen.de.",
    "100 smtp-relay.corpex-net.de."
  ],
  "spf": [
    "v=spf1 include:spf.corpex.de mx include:spf.mailjet.com -all"
  ]
}