Re: [Exim] maildirsize file corruption?

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Autor: Odhiambo G. Washington
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Dla: Exim users list
Temat: Re: [Exim] maildirsize file corruption?
* Nathan Ollerenshaw <nathan@???> [20040811 09:59]: wrote:
> Guys,
>
> is it possible for the maildirsize file to be corrupted?


I am almost tempted to think it is possible, but I have no evidence.
Let me put my case below.


>
> Does Exim do any locking when writing to this file, and could it
> conflict with courier-imap?


Now that this has finally come up, let me also chip in with the
troubles that I have had with this file. I could possibly be overlooking
something rather obvious, but well, here is my experience:


First the basics:

Exim-4.41
Quota is imposed using the MTA.

Here is transport has the following options:


local_delivery:
 driver              = appendfile
 check_string        =
 directory           = ${home}/Maildir/
 create_directory
 directory_mode      = 0700
 delivery_date_add
 envelope_to_add
 group               = mail
 maildir_format
 maildir_tag         = ,S=$message_size
 maildir_use_size_file
 message_prefix      = ""
 message_suffix      = ""
 no_mode_fail_narrower
 quota               = ${lookup {$local_part} lsearch \
                    {EXIM_HOME/quota-maps}{$value}{100}}M
 no_quota_is_inclusive
 quota_size_regex    = ,S=(\d+)$
 quota_warn_message  = "You have exceeded your Quota, yuck! yuck!"
 quota_warn_threshold = 75%
 return_path_add
 mode                 = 0660



Every now and then I have this situation where mails to a
user are bounced because the "quota is exceeded".
At that particular moment, a check on disk usage inside
the Maildir shows that the quota is far from being hit.

Could this be symptom of the maildirsize file getting corrupted?


        cheers
       - wash
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