[Dovecot] dovecot.index.cache File too large

[peceka]

Hi,

Can sameone explain me why my logs are full of such errors:

Jul 11 12:07:32 mxhost deliver(user1): pwrite() failed: File too large
Jul 11 12:07:32 mxhost deliver(user1): file_set_size() failed with
index cache file /mail/user1/Maildir/.parser/dovecot.index.cache: File
too large


mxhost# ls -lh /mail/user1/Maildir/.parser/dovecot.index.cache
-rw-------  1 user1  emails    64M Jul 11 10:01
/mail/user1/Maildir/.parser/dovecot.index.cache

mxhost# cd /mail/user1/Maildir/.parser/
mxhost# ls -l new/ | wc -l
    1016
mxhost# ls -l cur | wc -l
  132342

What can I do to get rid of this error?

Best regards,
p.