Email Formats

{
  "mx": [
    "20 mail2.ex.co.kr.",
    "10 spammail.ex.co.kr.",
    "30 minwon.ex.co.kr."
  ],
  "spf": [
    "v=spf1 ip4:180.148.181.6 ip4:180.148.181.96 ip4:180.148.181.65 ip4:180.148.181.66 ip4:180.148.180.20 ip4:180.148.181.26 ip4:180.148.181.126 ip4:180.148.181.27 ip4:180.148.181.127 -all"
  ]
}