The mailing list for listmasters using Sympa

[Elwyn Davies <address@concealed>]

Hi, Eric.

On Tue, 2011-03-08 at 08:18 -0600, Eric Sandquist wrote:
> Found the issue with a large accumulation of files at /home/sympa/spool/msg 
> and /home/sympa/spool/msg/bad
> 
> These files were accumulated from nonexistant lists that spammers were 
> attempting to hit.  We are using post fix with regular expressions to 
> handle 
> email routing verses a large number aliases.  Have not found a solution 
> yet, 
> but did clear out the files.
How specific are your alias patterns?  It is possible that what you are
seeing here is what I called 'the wildcard match problem' that was
discussed extensively some years ago regarding where messages are
discarded.

I analysed the problem and did some work to ensure that the spam
messages were never offered to Sympa by having very specific alias
filters in Postfix. This topic is discussed at
http://www.sympa.org/faq/postfix

My solution is described here
http://www.folly.org.uk/sympa/
(also referenced via http://www.sympa.org/doc/index#installing_sympa)
Unfortunately I haven't got around to updating the solution for version
6 of Sympa but it would probably not be difficult to do.
The solution has been running satisfactorily for 3 years.

Regards,
Elwyn Davies


> 
> The Sympa.pl process is now running at low levels again.
> 
> Eric
> ----- Original Message ----- 
> From: "Eric C Sandquist" <address@concealed>
> To: <address@concealed>
> Sent: Saturday, March 05, 2011 12:57 PM
> Subject: [sympa-users] Sympa.pl 6.2a.4 CPU load
> 
> 
> >I have Sympa 6.2a.4 installed on a 4cpu system.  The CPU load for process
> > sympa.pl is 40-60% on one core consitently,  This creates a significant 
> > load
> > on resources for other sites on the server.
> >
> > Is this something that others have experienced?  I have been unable to
> > identify the cause.
> >
> > Eric
> >
> > --
> > This message was scanned by ESVA and is believed to be clean.
> > Click here to report this message as spam.
> > http://mailgw.ihms.net/cgi-bin/learn-spam.cgi?id=7B7A92F4F2.A6AB5
> > Click here to report this message as ham (not spam).
> > http://mailgw.ihms.net/cgi-bin/learn-ham.cgi?id=7B7A92F4F2.A6AB5
> >
> > 
> 
> 
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