deliver: Resource temporarily unavailable

[Jernej Porenta]

Hi!

I'm using cyrus 2.1.15 (hmh .deb packages) in debian woody on dual P4 with
Postfix!

Recently I have noticed that some mails are not sent to mailboxes as they
should be. My configuration is like this:
/etc/postfix/master.cf
cyrus     unix  -       n       n       -       -       pipe
  flags=Ru user=cyrus argv=/usr/sbin/cyrdeliver -a ${user} -e -m ${extension} -- ${user}

And when I send a mail to a huge mailing list (no, it is not spam list :)
), some of the mails get bounced like this:

Mar 24 13:32:58 moron pipe[27378]: fatal: pipe_comand: execvp
/usr/sbin/cyrdeliver: Resource temporarily unavailable
Mar 24 13:33:02 moron postfix/pipe[11661]: 4D93E60095:
to=<jhabjan at example.org>, orig_to=<jernej.habjan at example.org>,
relay=cyrus, delay=2, status=bounced (Command died with status 1:
"/usr/sbin/cyrdeliver")

What could be wrong? Maybe I should limit the connections to cyrdeliver or
what? What is the suggest number of processes accessing cyrdeliver?

Thanks in advance!

Greetz, Jernej

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