Email Formats

{
  "mx": [
    "10 mail.uos.ac.kr."
  ],
  "spf": [
    "v=spf1 ip4:203.249.110.40 ip4:203.249.96.32 ip4:203.249.96.33 ip4:203.249.96.38 ip4:203.249.96.39 ip4:210.125.184.141 ip4:210.125.184.142 ip4:211.254.222.140 ~all"
  ]
}