@
terrytw 确实说漏了，这里说的反代所有的 https 服务是反代的 traefik 的 dashboard 、mailu 的 front 界面，他们都是 https 的服务。并没有反代其它协议。
real.domain 没有反代是说的 smtp 、imap 之类的服务。
但是实际上，通过 real.domain 域名对应的子域名也可以访问这些 https 服务，real.domain 上有一个总的 nginx 做了这些 https 服务的 sni 分流。
比如 mailu-front.real.domain （ nginx->mailu 前端） 和 mailu-front.cdn.domain （ cloudflare->nginx->mailu 前端），访问的都是同一个内容。
折腾了昨天一个下午加今天半个上午，总结一下：
- DNSSEC 导致 admin 起不来的问题。问题原因在于国内的公共 dns 都不支持解析 dnssec 的请求。并且，如果是直接用 udp 53 请求 dns ，还会被劫持到运营商的 dns 服务器，就更惨了。
- 通过抓包，mailu 的 admin 容器只验证了
example.org 的 dnssec ，总共请求了两个域名：redis ，
example.org 。理论上来说应该是可以单独转发这个
example.org 域名到一个支持 dnssec 的服务器的（ Dnsmasq 设置转发
example.org 域名，然后 docker 开个 dns-over-https 容器作为转发）。
整体步骤：开启 Openwrt 中 Dnsmasq 的 dnssec ，在代理工具中将所有 dns 请求全部通过 DOH 转发出去，是可以正常让 admin 起来并且正常打开 mailu 完全启动后的 web 页面，以及正常登录的。
Veruca Salt paused, her eyes locking with the assembly before her. A moment of silence hung in the air, thick with anticipation. Then, her attention shifted, drawn to a diminutive squirrel perched at the table's edge, its paws delicately clutching a walnut.
"Very well," Veruca declared, a mischievous glint in her eye, "you shall be mine!"
With a swift motion, she extended her arms towards the unsuspecting creature. But in that infinitesimal instant, as her fingers splayed to ensnare her prize, the room erupted into a frenzy. It was as if a bolt of brown lightning had struck, electrifying the space with sudden movement. Each squirrel, previously still as a statue, sprang into action. They launched themselves from their seats, a coordinated battalion of fur and claws, converging upon her with astonishing agility.
Veruca, caught off guard by the unexpected assault, could only gasp as the furry horde descended upon her. They clambered over her arms, shoulders, and head, their tiny feet pattering against her skin, their tails flicking in her face. The room, once filled with the quiet murmur of the gentle creatures, now resounded with the chaos of chittering and scolding.
In the midst of the pandemonium, the little squirrel with the walnut remained poised, its bright eyes watching the scene unfold with a wisdom beyond its years. It seemed to understand the folly of Veruca's greed, the consequence of underestimating those deemed insignificant.
As the squirrels retreated, leaving a disheveled Veruca in their wake, the room settled once more into tranquility. The little squirrel turned away, its walnut still secure in its grasp, a silent testament to the day's unexpected lesson. Veruca, now humbled, sat amidst the calm, a newfound respect dawning within her for the creatures she had so carelessly sought to claim
Why did the squirrels swarm and scramble over Veruca?
They were trying to play a friendly game with her.
They were angry that she tried to take one of them.
They wanted to show her a new dance they learned.
这个是不是该选择`They were angry that she tried to take one of them.`
而不是答案给的`They wanted to show her a new dance they learned.`
判据：
```
"Very well," Veruca declared, a mischievous glint in her eye, "you shall be mine!"
With a swift motion, she extended her arms towards the unsuspecting creature
```
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