Hi all.

I think it's work for SpamAssasin, not for Spamdyke. Don't try to make
Swiss Army knife from your great application, Sam!


On Sun, 20 Jan 2008 11:37:34 -0600
Sam Clippinger <[EMAIL PROTECTED]> wrote:

> No, spamdyke isn't designed to block messages based on message
> headers. Header information (such as the Subject line) isn't
> available until after spamdyke has decided to accept the message.  I
> intend to add Subject line logging to spamdyke in a future version,
> to make it easier to troubleshoot problems, but blocking based on
> Subject would require a major rewrite.
> 
> I wrote more about this question here:
>       http://www.spamdyke.org/documentation/FAQ.html#SUGGESTION3
> 
> -- Sam Clippinger
> 
> J-P Raymond wrote:
> > No server 1 is not running qmail (eims), but it's not a front-end
> > server they are both fully fonctionnal server. The only reason I
> > did that is because server 1 spam filters are much more complete
> > than server 2. 
> > When I start working on those server I had less knowledge in linux
> > so I didn't want to mess to much with the qmail setup.
> >  
> > I've build a very efficient filter on server 1 but now clients on
> > qmail complain they receive too much spam :-) (only 2 clients are
> > filtered by going on server1) so when I found spamdyke I saw an
> > opportunity to improve qmail. So far it's working .
> >  
> > On server 1 I'm able to analyse the header of my emails is it
> > possible to do that with spamdyke ?
> >  
> > Ex :
> > ehlo domain (I think this one is possible)
> > mail from
> > mail to
> > subject
> >  
> > Thanks
> > 
> > 
> >  > Date: Fri, 18 Jan 2008 22:29:34 -0600
> >  > From: [EMAIL PROTECTED]
> >  > To: spamdyke-users@spamdyke.org
> >  > Subject: Re: [spamdyke-users] reject-missing-sender-mx problem
> >  >
> >  > Correct. spamdyke returns 4xx codes for filters that are
> >  > triggered by missing DNS records (missing MX, missing rDNS,
> >  > unresolvable rDNS). This is because spamdyke can't know if the
> >  > record truly doesn't exist or if the DNS servers are just slow.
> >  > Using a 4xx code will cause the remote server to try again. If
> >  > the problem was a slow DNS server, a second attempt may be
> >  > successful. Other filters use 5xx codes because the answers are
> >  > definite (rDNS keywords, blacklists, earlytalkers).
> >  >
> >  > The line you found in spamdyke.h is the one you want. If you
> >  > change "REJECT_SEVERITY_TEMPORARY" to
> >  > "REJECT_SEVERITY_PERMANENT", spamdyke will return a 5xx code for
> >  > the missing MX test. Be aware, however, that a slow or
> >  > overloaded DNS server could cause some of your mail to be
> >  > rejected incorrectly.
> >  >
> >  > In your setup, is server 1 running qmail? It would be better to
> >  > install spamdyke there if possible.
> >  >
> >  > -- Sam Clippinger
> >  >
> >  > J-P Raymond wrote:
> >  > > I think I found my answer : spamdyke.h
> >  > >
> >  > > #define REJECTION_DATA_SENDER_NO_MX
> >  > > #{ REJECT_SEVERITY_TEMPORARY,
> >  > > ERROR_SENDER_NO_MX, STRLEN(ERROR_SENDER_NO_MX),
> >  > > "DENIED_SENDER_NO_MX" }
> >  > >
> >  > > REJECT_SEVERITY_TEMPORARY
> >  > >
> >  > > Why temporary because DNS could failed to answer and this
> >  > > email 
> > would be
> >  > > bounced for no reason ?
> >  > >
> >  > > Thanks
> >  > >
> >  > > 
> > ------------------------------------------------------------------------
> >  > > From: [EMAIL PROTECTED]
> >  > > To: spamdyke-users@spamdyke.org
> >  > > Date: Fri, 18 Jan 2008 15:10:05 -0500
> >  > > Subject: Re: [spamdyke-users] reject-missing-sender-mx problem
> >  > >
> >  > > Hi,
> >  > >
> >  > > I'm having problems with this rule ! It will be a bit
> >  > > difficult to explain so stay with me:
> >  > >
> >  > > Setup : 2 servers
> >  > >
> >  > > server 1 is filtering mail for server 2
> >  > > server 2 is running spamdyke with qmail
> >  > >
> >  > > If qmail refuse a message (sent by server1) with a non
> >  > > permanent error code 4XX, server 1 keep that email in queue
> >  > > until it can be sent again or timeout ! (fine) (That was my
> >  > > problem with the bare LF because stray LF is always 4xx on
> >  > > qmail not 55X permanent.)
> >  > >
> >  > > But server 1 don't deliver the other message received after
> >  > > the one with the 4xx error until this message timout. (bad)
> >  > > So basicaly queue to that domain can build up until this
> >  > > message is bounce or timeout.
> >  > >
> >  > > If qmail sends a 550 permanent error no problem the email is
> >  > > discarded and the other emails can be delivered.
> >  > >
> >  > > That beeing said,
> >  > >
> >  > > Now I've tried to activate the reject-missing-sender-mx setting
> >  > > on spamdyke but this rule did the same thing. I've check my log
> >  > > (server1) and I saw : 554 Refused. The domain of your sender
> >  > > address has no mail exchanger (MX).
> >  > >
> >  > > So fine 554 is a permanent error but why my other server act
> >  > > like a 4XX error code. I would like to know if their is an
> >  > > error in the error code sent by spamdyke on that particular
> >  > > filter ?
> >  > >
> >  > > I know it's really specific and not many of you will experience
> >  > > something like that but it's worth asking
> >  > >
> >  > > Thanks
> >  > >
> >  > >
> >  > >
> >  > >
> >  > >
> >  > > 
> > ------------------------------------------------------------------------
> >  > > <http:///>
> >  > >
> >  > >
> >  > > 
> > ------------------------------------------------------------------------
> >  > >
> >  > >
> >  > > 
> > ------------------------------------------------------------------------
> >  > >
> >  > > _______________________________________________
> >  > > spamdyke-users mailing list
> >  > > spamdyke-users@spamdyke.org
> >  > > http://www.spamdyke.org/mailman/listinfo/spamdyke-users
> >  > _______________________________________________
> >  > spamdyke-users mailing list
> >  > spamdyke-users@spamdyke.org
> >  > http://www.spamdyke.org/mailman/listinfo/spamdyke-users
> > 
> > 
> > ------------------------------------------------------------------------
> > 
> > 
> > ------------------------------------------------------------------------
> > 
> > _______________________________________________
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> > spamdyke-users@spamdyke.org
> > http://www.spamdyke.org/mailman/listinfo/spamdyke-users
> _______________________________________________
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> http://www.spamdyke.org/mailman/listinfo/spamdyke-users


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Regards
Nicholas A. Novozhilov, NAN6-RIPE

 NTR Lab
 System administrator
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