It looks like that there is a file descriptor leak when router uses gdbm. Router processes collect a lot of open fd's pointing to xxx.gdbm files in db direcory. No further investigation, sorry, I just switched to ndbm which apparently works fine. Eugene - To unsubscribe from this list: send the line "unsubscribe zmailer" in the body of a message to majordomo@nic.funet.fi