[exim] Exiscan/spamd problem : "error reading from spamd soc…

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Author: Rory Campbell-Lange
Date:  
To: Exim Users
Subject: [exim] Exiscan/spamd problem : "error reading from spamd socket"
I cannot run spam checks any longer because of errors reading to an from
the spamd socket. This may be a DNS problem but I don't know enough
about DNS to makes sense of a tcpdump; the queries seem to flow in both
directions fast enough. I have disabled RBL checks in SpamAssassin as a
precaution, but the problem continues, with many spamd connections to
localhost locked in a CLOSE_WAIT situation.

Any help much appreciated
Rory


I am running Exim4 on Debian testing

    Exim version 4.34 #1 built 05-Jan-2005 11:07:49
    ...
    Contains exiscan-acl patch revision 21 (c) Tom Kistner [http://duncanthrax.net/exiscan/]



/etc/exim4/conf.d/acl/40_exim4-config_check_data (extract)

   deny message = Spam score too high ($spam_score)
           condition = ${if <{$message_size}{80k}{1}{0}}
           spam = mail:true
           condition = ${if >{$spam_score_int}{50}{1}{0}}
           log_message   = "SPAM REJECT: $spam_score_int\n\t$spam_report"


   warn message = X-Spam-Score: $spam_score_int
           condition = ${if <{$message_size}{80k}{1}{0}}
           spam = mail:true
           condition = ${if >{$spam_score_int}{30}{1}{0}}
           log_message   = "SPAM FILTER: $spam_score_int"


/var/log/exim4/mainlog

2005-01-18 05:49:35 1CqmBk-0003hD-Ez spam acl condition: error reading from spamd socket: Connection reset by peer
2005-01-18 05:49:35 1CqmBk-0003hD-Ez H=136.red-217-216-46.user.auna.net (pisem.net) [217.216.46.136] F=<gacmvi@???> temporarily rejected after DATA



--
Rory Campbell-Lange
<rory@???>
<www.campbell-lange.net>