changed to use configuration files

etc-zntrl/kopano/server.cfg

@@ -24,7 +24,7 @@ server_name = mail.zntrl.de
 #enable_distributed_kopano = false
 
 database_engine = mysql
-mysql_host = localhost
+mysql_host = mysql
 mysql_port = 3306
 mysql_user = kopano
 mysql_password = zAKt(85&
@@ -36,8 +36,8 @@ mysql_database = kopano
 # Space-separated list of users that are considered Kopano admins.
 local_admin_users = root kopano
 
-log_method = file
-log_file = /var/log/kopano/server.log
+# log_method = file
+# log_file = /var/log/kopano/server.log
 # Loglevel (0(none), 1(crit), 2(err), 3(warn), 4(notice), 5(info), 6(debug))
 log_level = 5
 log_timestamp = yes