Edit the cert paths based on how the drives are being mounted.

Config/Prosody/etc/conf.avail/example.com.cfg.lua

@@ -8,8 +8,8 @@ VirtualHost "example.com"
 	-- Note that old-style SSL on port 5223 only supports one certificate, and will always
 	-- use the global one.
 	ssl = {
-		key = "/etc/prosody/certs/example.com.key";
-		certificate = "/etc/prosody/certs/example.com.crt";
+		key = "/etc/prosody/certs/example.com/privkey.pem";
+		certificate = "/etc/prosody/certs/example.com/fullchain.pem";
 		}
 
 ------ Components ------
@@ -26,4 +26,3 @@ Component "conference.example.com" "muc"
 ---Set up an external component (default component port is 5347)
 --Component "gateway.example.com"
 --	component_secret = "password"
-