i noticed this while browsing through my maillog..

Feb 21 11:27:43 selenium dovecot: IMAP(ben): Corrupted index cache file /u/home/ben/Maildir/.INBOX.ML-SunHELP.rescue/dovecot.index.cache: field index too large (3337 >= 22)

i have no problems reading that box after this, and see no other messages about corrupt index files from today, or the past 14 days.

--ben