qmail收发邮件慢的问题，请大家捧捧场
我刚接手公司qmail服务器，一查看队列，里面竟然有370多万条邮件，删了将近5天，清除干净。删除之前用foxmail发邮件是很快，但用web收发不了，删除之后，foxmail也是正常的，就是不能读取邮件，web收发呢很慢，我已经改过dns了，但还是很慢。另外关于队列，我昨晚删除的队列，今早一看又有300多条，真奇怪啊。
          今早的日志如下：
          _does_not_exist,_but_will_deliver_to_/home/vpopmail/domains/goodsres.com/1/list//can_not_open_new_email_file_errno=2_file=/home/vpopmail/domains/goodsres.com/1/list/Maildir/tmp/1180314677.31263.localhost.localdomain,S=6231/system_error/
May   28   09:11:17   localhost   qmail:   1180314677.351965   status:   local   4/10   remote   2/20
May   28   09:11:17   localhost   qmail:   1180314677.360675   delivery   7507:   deferral:   user_does_not_exist,_but_will_deliver_to_/home/vpopmail/domains/goodsres.com/1/list//can_not_open_new_email_file_errno=2_file=/home/vpopmail/domains/goodsres.com/1/list/Maildir/tmp/1180314677.31261.localhost.localdomain,S=6922/system_error/
May   28   09:11:17   localhost   qmail:   1180314677.360765   status:   local   3/10   remote   2/20
May   28   09:11:17   localhost   qmail:   1180314677.363202   delivery   7510:   deferral:   user_does_not_exist,_but_will_deliver_to_/home/vpopmail/domains/goodsres.com/1/list//can_not_open_new_email_file_errno=2_file=/home/vpopmail/domains/goodsres.com/1/list/Maildir/tmp/1180314677.31266.localhost.localdomain,S=8083/system_error/
May   28   09:11:17   localhost   qmail:   1180314677.363290   status:   local   2/10   remote   2/20
May   28   09:11:17   localhost   qmail:   1180314677.373224   delivery   7508:   deferral:   user_does_not_exist,_but_will_deliver_to_/home/vpopmail/domains/goodsres.com/1/list//can_not_open_new_email_file_errno=2_file=/home/vpopmail/domains/goodsres.com/1/list/Maildir/tmp/1180314677.31264.localhost.localdomain,S=8912/system_error/
May   28   09:11:17   localhost   qmail:   1180314677.373296   status:   local   1/10   remote   2/20
May   28   09:11:17   localhost   qmail:   1180314677.375801   delivery   7511:   deferral:   user_does_not_exist,_but_will_deliver_to_/home/vpopmail/domains/goodsres.com/1/list//can_not_open_new_email_file_errno=2_file=/home/vpopmail/domains/goodsres.com/1/list/Maildir/tmp/1180314677.31273.localhost.localdomain,S=7770/system_error/
May   28   09:11:17   localhost   qmail:   1180314677.375875   status:   local   0/10   remote   2/20
May   28   09:11:20   localhost   qmail:   1180314680.375147   starting   delivery   7512:   msg   8712142   to   local   goodsres.com-f86ruxblant2q5vh661y@goodsres.com
May   28   09:11:20   localhost   qmail:   1180314680.375223   status:   local   1/10   remote   2/20
May   28   09:11:20   localhost   qmail:   1180314680.386525   delivery   7512:   deferral:   user_does_not_exist,_but_will_deliver_to_/home/vpopmail/domains/goodsres.com/1/list//can_not_open_new_email_file_errno=2_file=/home/vpopmail/domains/goodsres.com/1/list/Maildir/tmp/1180314680.31276.localhost.localdomain,S=1321/system_error/
May   28   09:11:20   localhost   qmail:   1180314680.386602   status:   local   0/10   remote   2/20
May   28   09:11:23   localhost   qmail:   1180314683.386498   warning:   trouble   opening   local/1/560787;   will   try