Hi baby_moon, > A user's quota is 1M, and some mails are in its Inbox, and I was checked > its directory, the maildirsize file is there. > When I changed this user's quota to 3M, after a mail come in, the > quota's total number is same as before. Who knows how to solve this > problem?
It's not a problem; you're simply mixing things up. The maildirsize file doesn't show the quota setting of a user, but the _actual size_ of the Maildir, so changing the quota doesn't affect the maildirsize file in any way. The quota setting of each user is saved in the vpasswd file. Jonas