Email Formats

{
  "mx": [
    "20 mail.biz-email.net.",
    "5 fosun-com.corpsmtp.net.",
    "10 fosun-com.corpsmtp.cn.",
    "15 cnc.biz-email.net."
  ],
  "spf": [
    "v=spf1 ip4:180.166.208.57 include:_s.corp-email.com -all"
  ]
}