letsencrypt.exe --accepttos --manualhost tasaid.com --webroot C:\Users\linkFly\Test
letsencrypt-win-simple 会自动生成临时文件并放到网站根目录 (详情可以参考下一章节 自动化认证多个域名 )，然后会让 Let's Encrypt 服务器会访问这个文件, 用于验证这个网站是否属于你。
如果验证通过，直接进入本文的 部署 章节即可。如果验证不通过，是因为需要修改 IIS 的一些配置，请参考下一章节 自动化认证多个域名。
自动化认证多个域名
CMD 进入 letsencrypt-win-simple.V1.9.1 文件夹，运行如下命令：
letsencrypt.exe --san
然后会弹出一坨选项：
Let's Encrypt (Simple Windows ACME Client) Renewal Period: 60 Certificate Store: WebHosting ACME Server: https://acme-v01.api.letsencrypt.org/ Config Folder: C:\Users\linkFly\AppData\Roaming\letsencrypt-win-simple\htpsacme-v01.api.letsencrypt.org Certificate Folder: C:\Users\linkFly\AppData\Roaming\letsencrypt-win-simpe\httpsacme-v01.api.letsencrypt.org Loading Signer from C:\Users\linkFly\AppData\Roaming\letsencrypt-win-simpe\httpsacme-v01.api.letsencrypt.org\Signer Getting AcmeServerDirectory Loading Registration from C:\Users\linkFly\AppData\Roaming\letsencrypt-win-simple\httpsacme-v01.api.letsencrypt.org\Registration Scanning IIS Sites 2: SAN - IIS Said (C:\Users\linkFly\Test) 3: SAN - IIS Test (C:\Users\linkFly\Demo) W: Generate a certificate via WebDav and install it manually. S: Generate a single San certificate for multiple sites. F: Generate a certificate via FTP/ FTPS and install it manually. M: Generate a certificate manually. A: Get certificates for all hostsQ: Quit Which host do you want to get a certificate for:
Scanning IIS Sites 列出了在 IIS 中检测到的当前已发布的网站，然后显示了一系列指令 (W, S, F, M, A)，决定你想要的操作：
