Email Formats

{
  "mx": [
    "10 impacttherapeutics-com.corpsmtp.net.",
    "15 impacttherapeutics-com.corpsmtp.cn.",
    "25 mail.biz-email.net.",
    "20 cnc.biz-email.net."
  ],
  "spf": [
    "v=spf1 include:spf.protection.partner.outlook.cn -all"
  ]
}