Email Formats

{
  "mx": [
    "10 antispam.posco.net."
  ],
  "spf": [
    "v=spf1 ip4:1.209.183.71 include:email.ncloud.com include:_antispf1.posco.com include:_antispf2.posco.com include:spf.protection.outlook.com ~all"
  ]
}