update mail

sites/mail.conf

@@ -3,7 +3,7 @@ server {
 	server_name mail.tronnet.net;
 	include /etc/nginx/snippets/ssl-acme.conf;
 	location / {
-		proxy_pass https://mail.dmz;
+		proxy_pass http://mail.dmz/;
 		proxy_redirect default;		
 	}
 }