Email Formats

{
  "mx": [
    "9 smf.hallym.ac.kr."
  ],
  "spf": [
    "v=spf1 ip4:210.115.225.25 ip4:210.115.225.101 ip4:210.115.249.23 ip4:210.115.249.25 include:mail.stibee.com -all"
  ]
}