On 18 Apr 2015, at 16:00, David Gessel <[email protected]> wrote: > >> No. My best guess is that (your) ZFS+FreeBSD is simply not behaving the way >> Dovecot wants filesystems to behave (readdir() sometimes skipping over >> files). I don't have any other suggestion than trying a different filesystem >> or OS. I haven't heard ZFS having these problems before though. > > > Or migrating to sdbox. Absent any further suggestions, that will be my next > step. My commitment to Maildir is far lower than my commitment to > FreeBSD/ZFS. It is just a historical preference coming from a decade+ of > courier IMAP.
Actually as a workaround you could try maildir_very_dirty_syncs=yes which gets rid of most of the readdir()s.
