Email Formats

{
  "mx": [
    "0 d311770.a.ess.de.barracudanetworks.com.",
    "1 d311770.b.ess.de.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a:smtp.felstechnik.ch include:spf.ess.de.barracudanetworks.com include:spf-de.emailsignatures365.com ~all"
  ]
}