before I have this problem , I have e-mail problem which I can't send or receive mail. It sucessfully logs into my mailserver but whenever I try to send a message it says "Relay access denied." so, I tried to config hostname and DNS. But it doesn't work and make me this problem. I tried to config default value but it still have this problem T_T detail of my problem is : I must login to my server by putty and run /etc/init.d/ispconfig_server start by myself after reboot server. and then run /etc/init.d/proftpd start , /etc/init.d/sendmail start . Please help me. thank you and please answer this knowless question: How to see a boot time error log??