Email Formats

{
  "mx": [
    "20 mail.keysolution-hosting.de."
  ],
  "spf": [
    "v=spf1 a mx include:agenturserver.de include:spf.crsend.com include:_smtp.udag.de include:posteo.de include:med.uni-heidelberg.de ip4:193.53.246.141 a:mail.nierenzentrum-heidelberg.com ~all"
  ]
}