[Dovecot] IMAP Memory Error

[Timo Sirainen]

On Tue, 2005-05-24 at 23:33 +0100, John McAree wrote:
> Basically, moving, deleting or copying mails tends not to work. I have 
> managed to move mails in Thunderbird if the source mailbox is small, and 
> deleting mails usually works in Thunderbird. However, in Squirrelmail 
> deleting or moving results in:
> 
> "ERROR : Connection dropped by imap-server.
> Query: COPY 5629 "<dest-mailbox>"
> 
> /var/log/maillog reports:
> May 24 23:19:03 orca dovecot: IMAP(jmcaree): pool_system_malloc(): Out 
> of memory
> 
> The Out of memory error appears when moving mails with Thunderbird, also.

Sounds a bit strange that those would eat so much memory. Have to look
into it.. How large are the mailboxes where it happens?

Anyway, you could disable the memory limit by setting
mail_process_size = 0. The default is 256MB which should have been
enough for pretty huge mailboxes.

Also if it works after that change, could you tell me how large the imap
process becomes?

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