Re: mailutil - Can't open mailbox

My largest mailbox is 12GB (280K messages).

If you aren't using the MIX format, you should.  See
   http://www.washington.edu/imap/documentation/mixfmt.txt.html
You can convert with mixcvt (*not* mailutil).
The mix format stores a mail folder in a directory, with individual 
files no larger than a certain limit (except where a single message is 
larger than the limit).   Access & update will be incredibly faster, and 
much less of a load on the system.

Mixcvt is a separate download, if I recall correctly.

If the 16GB mail file is in mbox format ("traditional Unix mail 
format"), then I can imagine all kinds of problems.
If mixcvt can't deal with it, then you'll have to use something like 
split, with hand editing to break it into manageable sizes and to break 
between messages.




On 4/23/12 4:21 AM, Carlton T wrote:
> Hi,
>
> I have just joined the group, so forgive me if this problem has been 
> addressed before, I did search the archive with no success.
>
> I have a client with a number of HUGE mailboxes, some in excess of 16 
> Gigs. As you can imagine, the server slows down to a crawl 
> when acessing these mailboxes. I am trying to use the mailutil's 
> prune option to remove messages from one of the 16 Gigs mailboxes, but 
> I get the error message "Can't open mailbox <mailbox_name>: no such 
> mailbox". However, if I perform the same operation against a mailbox 
> which is approx 4 Gigs, it completes successfully. I have done a 
> little debugging and noted that the error message is being generated 
> by the open_mail function within the module mail.c.
>
> Has anyone else attempted this on such a large mailbox file? Is there 
> a limit on the size of mailbox file that can be handled by mailutil? 
> Am I wrong in assuming that the problem is related to the size of the 
> file?
>
> Any help/pointers greatly appreciated.
>
> --
>
> Carlton
>
>
> This body part will be downloaded on demand.

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