Email Formats

{
  "mx": [
    "10 mx1.feishu.cn.",
    "20 mx2.feishu.cn.",
    "30 mx3.feishu.cn.",
    "40 inbound-smtp.us-east-1.amazonaws.com."
  ],
  "spf": [
    "v=spf1 include:_netblocks.m.feishu.cn include:mail.zendesk.com include:amazonses.com ~all"
  ]
}