Hello,
I'm a recent convert to dovecot from courier-imap and the performance has certainly improved. I'm running the vanilla 1.0.7 version that came with the CentOS 5.2 x86_64 distro.
I've come across a similar problem that was posted by Ralf Hildebrandt earlier this year under the same subject, but that thread just seems to have died off. I'm also using per- user maildirsize files (originally run under courier-imap) but these are not being read/enforced/updated for some users.
After some testing with these users, the problem seems to be related to the size of the maildirsize file itself. A file size greater than 5119 bytes results in no quota for the INBOX of the user, and the file seems to be ignored entirely by dovecot.
I guess the solution to this is to just copy over a fresh (i.e. empty save for the limit line) maildirsize file, but I was wodering if this maildirsize size limit is some innate property of dovecot. Would not others, especially converts from courier-imap that also use maildirsize files, have this experience also?
Thank you.
Patrick