Deploy SSL certificate for enterprise mailbox

Step 1: Apply for a certificate. Application address . Certificate application process.

Step 2: After the application is successful, download and extract the certificate.

1. Download it under "Security & Monitoring" — "SSL Certificate Service" — "Details".

2. Click "Download Certificate".

3. Select the PEM format, suitable for nginx, and then click Download. Because the download is a rar archive, please remember the extraction password; after downloading, you need to use the password to extract it.

4. After extraction, you will get two files: the .crt file is the certificate file, and the .key file is the private key file.

5. Use the postmaster account of Yunyou to log in to Yunyou's "Mailbox Management", find "SSL Deployment", and click "Enable".

Use Notepad to open the .crt file, and copy the file contents to the certificate input box.

Use Notepad to open the .key file, and copy the file contents to the private key input box.

Click "Save" to complete the deployment.

6. Please resolve the CNAME record with hostname mail for the domain you use to log in to your mailbox (e.g., mail.abc.com) to webssl.yunyou.top. After the resolution takes effect, you can use https://mail.your-domain to access and manage your enterprise mailbox.