Email Formats

{
  "mx": [
    "1 qilu-pharma-com.corpsmtp.cn.",
    "15 mail.qilu-pharma.com.",
    "5 qilu-pharma-com.corpsmtp.net."
  ],
  "spf": [
    "v=spf1 ip4:222.173.42.67 include:_s.corp-email.com -all"
  ]
}