Hi!

I'm here again with a problem. I'm using dovecot as an IMAP server and
LDA, filtering mail via sieve. However, few times a day I get the
following error on server and my client (mutt) gets disconnected.

Oct 15 20:20:29 ibex dovecot: imap(krakonos): Error: Corrupted index cache file 
/home/krakonos/.mbox/.imap/INBOX/dovecot.index.cache: Broken physical s ize for 
mail UID 149418 in mailbox INBOX: read(/home/krakonos/.mbox/inbox) failed: 
Cached message size smaller than expected (3793 < 8065, box=INBOX, UID=149418, 
cached
Message-Id=<88deda0d-86f6-6115-af10-60ac06bb2...@rename-it.nl>) Oct 15 20:20:29 
ibex dovecot: imap(krakonos): Error: read(/home/krakonos/.mbox/inbox) failed: 
Cached message size smaller than expected (3793 < 8065, box=INBOX, UID=149418, 
cached
Message-Id=<88deda0d-86f6-6115-af10-60ac06bb2...@rename-it.nl>) (FETCH BODY[] 
for mailbox INBOX UID 149418)
Oct 15 20:20:29 ibex dovecot: imap(krakonos): FETCH read() failed in=110326 
out=5115197

This is on a new message (attached), and this error happens on some
messages when first opened. Once I reconnect, the message always opens
fine, and no old message ever causes problem. 

I also noticed this error, which is possibly connected:

Oct 15 20:15:12 ibex dovecot: lda(krakonos): Error: Next message
unexpectedly corrupted in mbox file /home/krakonos/.mbox/inbox at
546862809

The filesystem is ext4, and there are no errors in syslog or problems
with any other services.

I also don't access the mbox locally, and only dovecot manipulates the
mbox (via imap and mailbox_command = /usr/libexec/dovecot/deliver)

The postfix version is 2.2.25. I'm attaching dovecot -n and the
offending message (after it's been corrected). I'd rather not publish my
sieve file, but will send it privately.

The offending message also contains other message I received at
approximately the same time. 

Any hint's on what could be wrong?



-- 
S pozdravem Ladislav "KrakonoŇ°" L√°ska                http://www.krakonos.org/

Attachment: msg-error.mbox
Description: application/mbox

# 2.2.25 (7be1766): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.4.15 (97b3da0)
# OS: Linux 4.0.4-gentoo x86_64 Gentoo Base System release 2.2 
auth_username_format = %n
hostname = ibex.krakonos.org
login_greeting = dove...@krakonos.org ready.
mail_debug = yes
mail_location = mbox:~/.mbox
namespace inbox {
  inbox = yes
  location = 
  mailbox Drafts {
    special_use = \Drafts
  }
  mailbox Junk {
    special_use = \Junk
  }
  mailbox Sent {
    special_use = \Sent
  }
  mailbox "Sent Messages" {
    special_use = \Sent
  }
  mailbox Trash {
    special_use = \Trash
  }
  prefix = 
}
passdb {
  args = *
  driver = pam
}
passdb {
  args = scheme=CRYPT username_format=%u /etc/dovecot/users
  driver = passwd-file
}
plugin {
  sieve = file:~/sieve;active=~/.dovecot.sieve
  sieve_execute_bin_dir = /usr/lib/dovecot/sieve-execute
  sieve_execute_socket_dir = sieve-execute
  sieve_extensions = +vnd.dovecot.filter +editheader
  sieve_filter_bin_dir = /usr/lib/dovecot/sieve-filter
  sieve_filter_socket_dir = sieve-filter
  sieve_pipe_bin_dir = /usr/lib/dovecot/sieve-pipe
  sieve_pipe_socket_dir = sieve-pipe
  sieve_plugins = sieve_extprograms
}
postmaster_address = postmas...@krakonos.org
protocols = imap
service auth {
  unix_listener /var/spool/postfix/private/auth {
    mode = 0666
  }
}
ssl_cert = </etc/ssl/dovecot/server.pem
ssl_key = </etc/ssl/dovecot/server.key
userdb {
  driver = passwd
}
protocol lda {
  mail_plugins = sieve
}

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