Hi, * Wu, Yue wrote: > Thank you, 'check_mbox_size' does the trick. Hmm, how is the partition with the mboxes mounted? This option only exists for setups where access/modification time cannot be reliably used to detect new mail. Filesystems can be mounted to not update atime as that causes disk updates but provides little to no benefit for most applications so many people turn atime updates off. Rocco