Hi,

I have had this error twice within +/- one month: 
Sep 30 15:16:52 nix dovecot: deliver(u...@domain.com): 
open(/home/vmail/domain.com/user/maildirsize) failed: Too many open files

I know, dovecot reports this error, but I am wondering if dspam is not
the cause of this issue.

I use the following configuration:
Postfix -> dspam -> dovecot
such as described in the wiki:
http://sourceforge.net/apps/mediawiki/dspam/index.php?title=Integrate_DSPAM_into_the_Debian-based_ISPmail_setup

I am using the latest git code under debian stable.

After running for a while:
# lsof -nu dspam | wc -l
502

But just after restarting dspam:
# lsof -nu dspam
33

I have a lot of the following pipes:
dspam   19494 dspam  468r  FIFO        0,5         7581437 pipe
dspam   19494 dspam  469r  FIFO        0,5         7585705 pipe
dspam   19494 dspam  470r  FIFO        0,5         7589680 pipe
dspam   19494 dspam  471r  FIFO        0,5         7593653 pipe
dspam   19494 dspam  472r  FIFO        0,5         7595531 pipe
dspam   19494 dspam  473r  FIFO        0,5         7595593 pipe
dspam   19494 dspam  474r  FIFO        0,5         7597448 pipe
dspam   19494 dspam  475r  FIFO        0,5         7598314 pipe
dspam   19494 dspam  476r  FIFO        0,5         7599534 pipe
dspam   19494 dspam  477r  FIFO        0,5         7601936 pipe
dspam   19494 dspam  478r  FIFO        0,5         7602075 pipe
dspam   19494 dspam  479r  FIFO        0,5         7611437 pipe
dspam   19494 dspam  480r  FIFO        0,5         7615635 pipe
dspam   19494 dspam  481r  FIFO        0,5         7621285 pipe
dspam   19494 dspam  482r  FIFO        0,5         7622826 pipe
dspam   19494 dspam  483r  FIFO        0,5         7624179 pipe

I think it then hits the default limit:
ds...@server:~$ ulimit -n
1024

I am not confortable with this, maybe someone could try and explain
whether this is normal, or what could be done to avoid this, or might be
a bug somewhere in dspam etc.

Thanks in advance for your ideas, comments and explanations.

Cheers,
Julien


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