Sentora, SSL, Webmin

[TGates]

My settings: (No custom Sentora settings at all)
Webmin Configuration>SSL Settings>

1. SSL Enabled
   
2. Private Key file: /etc/letsencrypt/live/cp.domain.com/privkey.pem
   
3. Certificate File: Separate: /etc/letsencrypt/live/cp.domain.com/cert.pem
   
4. Redirect non-SSL requests to SSL mode? Yes
   
5. SSL Protocol version: Detect Automatically
   
6. SSL Reject all; except TLSv1.2
   
7. Allow Compressed: Yes
   
8. Force Use server cipher order: No
   
9. Allowed SSL ciphers: Detect Automatically
   

Webmin Configuration>Let's Encrypt>

1. Hostnames for cert: cp.domain.com
   
2. Apache Root directory for validation file: Apache virtual host matching hostname
   
3. Copy new key and certificate to Webmin? Yes
   
4. SSL key size:  Default
   
5. Months between automatic renewal: Only renew manually
   

Did not 'Upload Certificate'.