Email Formats

{
  "mx": [
    "20 shgw.shinhung.co.kr.",
    "30 spam.shinhung.co.kr."
  ],
  "spf": [
    "v=spf1 ip4:218.236.49.29 ip4:218.236.49.62 ip4:218.236.49.13 ip4:218.236.49.9 ip4:218.236.49.63 -all"
  ]
}