Email Formats

{
  "mx": [
    "10 d309272.a.ess.de.barracudanetworks.com.",
    "10 d309272.b.ess.de.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a:antispam01.fno.cz a:antispam02.fno.cz ~all"
  ]
}