Email Formats

{
  "mx": [
    "20 gw.chunjae.co.kr.",
    "10 spam.chunjae.co.kr."
  ],
  "spf": [
    "v=spf1 ip4:220.73.162.184 ip4:220.73.162.148 ip4:220.73.162.151 ip4:220.73.162.130 ~all"
  ]
}