Email Formats

{
  "mx": [
    "0 sniper.jbnu.ac.kr."
  ],
  "spf": [
    "v=spf1 ip4:203.254.128.241 ip4:175.45.214.223 ip4:175.45.214.224 include:mailplug.com include:_spf.google.com include:spf.worksmobile.com ~all"
  ]
}