Email Formats

{
  "mx": [
    "100 gsmail.gsconst.co.kr.",
    "50 spam.gsconst.co.kr."
  ],
  "spf": [
    "v=spf1 ip4:203.247.140.162 ip4:203.247.140.134 ip4:203.247.140.101 ip4:203.247.140.102 ip4:203.247.140.125 ip4:203.247.140.33 ip4:203.247.140.34 ~all"
  ]
}