Email Formats

{
  "mx": [
    "5 mx-n.global-mail.cn.",
    "10 mx1-n.global-mail.cn."
  ],
  "spf": [
    "v=spf1 include:spf.sendinblue.com mx ~all",
    "v=spf1 include:Spf.xinnetdns.com ~all"
  ]
}