Email Formats

{
  "mx": [
    "10 mail.hyosungitx.com."
  ],
  "spf": [
    "v=spf1 include:smtpo.hyosung.com ip4:218.159.114.227 ip4:218.159.112.187 ip4:218.159.112.185 ip4:218.159.112.211 ip4:121.171.204.1 ip4:121.171.204.2 ip4:121.171.204.3 ~all"
  ]
}