Email Formats

{
  "mx": [
    "1 mx1.feishu.cn.",
    "5 mx2.feishu.cn.",
    "10 mx3.feishu.cn."
  ],
  "spf": [
    "v=spf1 include:_spf.google.com include:_netblocks.m.feishu.cn include:spf.emarsys.net -all"
  ]
}