removed e-mail address for letsencrypt

docker-compose.yml

@@ -50,7 +50,7 @@ services:
       POSTGRES_PASSWORD: guacamole
       VIRTUAL_HOST: ${HOSTNAME} 
       LETSENCRYPT_HOST: ${HOSTNAME} 
-      LETSENCRYPT_EMAIL: webmaster@${HOSTNAME}
+#      LETSENCRYPT_EMAIL: webmaster@${HOSTNAME}
       REMOTE_IP_VALVE_ENABLED: true
     networks:
       - default