Thinking in Linux…

qmail清除大量垃圾邮件队列后报错：
@400000004836222006e01414 alert: cannot start: unable to open mutex
@4000000048362221082401dc alert: cannot start: unable to open mutex
@400000004836222209fcb594 alert: cannot start: unable to open mutex
@40000000483622231b15384c alert: cannot start: unable to open mutex
@40000000483622240d5f0ad4 alert: cannot start: unable to open mutex
@40000000483622250f8c5e9c alert: cannot start: unable to open mutex
@40000000483622261dbe1ce4 alert: cannot start: unable to open mutex
@400000004836222713bea63c alert: cannot start: unable to open mutex
@40000000483622281543717c alert: cannot start: unable to open mutex
@40000000483622292204bf74 alert: cannot start: unable to open mutex

解决：

touch /var/qmail/queue/lock/sendmutex
chown qmails:qmail /var/qmail/queue/lock/sendmutex