qmailq problem

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Hi everyone   Two days ago, I killed qmail proceses while it has many queues for local delivery and system was restarted.   after that , I see so many qmail-clean proceses running on my system owned by qmailq.   and when I run 'qmail-qstat' , it answers more than 27000 queues are exist. but qmail does not delivery  mail queues   and cause there are so many qmail-clean process..... my system is going to crash....   what can I do?    plase help me out!!   * I'm not good at english...    I hope you all understand what I'm saying