Email Formats

{
  "mx": [
    "10 mail1.gpw.pl.",
    "20 mail2.gpw.pl."
  ],
  "spf": [
    "v=spf1 ip4:91.237.149.134/32 ip4:193.111.39.172/32 ip4:193.111.39.218/32 a mx ~all"
  ]
}