debian/spamassassin/dccifd: write(MTA socket,XX): Broken pipe

dcc-admin@rhyolite.com <mailto:dcc-admin@rhyolite.com> wrote:
>> From: robert_s@emailme.net.au
> 
>> # cat /var/log/syslog |grep pipe
>> Dec  6 06:43:16 debian dccifd[1916]: write(MTA socket,94): Broken
>> pipe Dec  6 07:28:40 debian dccifd[2002]: write(MTA socket,87):
>> Broken pipe Dec  6 09:40:04 debian dccifd[2410]: write(MTA
>> socket,94): Broken pipe 
>> 
>> What does this signify?
> 
> Those messages say that when dccifd tried to answer the MTA
> (SpamAssassin in this case), it found the socket closed or otherwise
> broken. 
> 
> Some versions of SpamAssassin have had a timeout that is too short.
> Try installing a newer version of SpamAssassin.

I have SpamAssassin (with MailScanner) version 3.1 and I get many of
those messages on many servers, low or high volume.  30 times yesterday
on my server that processes 300 msg/day.

What is the timeout value that is recommended?  What is the parameter?
dcc_timeout ?

Regards,

Ugo

> 
> 
> ] From: robert_s@emailme.net.au
> 
> ] I have UDP port 6277 open.
> 
> The best check for that is `cdcc info`
> 
> 
> ] Additionally - I get this message when I try to stop the
> dccifd daemon:
> ]
> ] # /etc/init.d/dcc-client stop
> ] Stopping DCC program interface daemon:
> dccifdstart-stop-daemon: warning:
> ] failed to kill 5645: No such process
> ] .
> ]
> ] Despite this, "ps ax" reveals the dccifd daemon (prior to
> running the stop
> ] script).
> 
> There is no file named "dcc-client" in the real DCC source.
> There is instead /var/dcc/libexec/rcDCC  (perhaps somewhere else
> if you use `./configure --libexecdir=/some/where/else`)
> The string "Stopping DCC program interface daemon" does not occur in
> the real DCC source. 
> 
> Did you install the real DCC source or one of the "improved" RPMs or
> "packages" floating around?  The real source can be obtained at
> http://www.dcc-servers.net/dcc/source/dcc.tar.Z
> or
> http://www.rhyolite.com/anti-spam/dcc/source/dcc.tar.Z
> See http://www.dcc-servers.net/dcc/
> 
> 
> Vernon Schryver    vjs@rhyolite.com
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