On Fri, May 07, 2010 at 02:05:57AM +0300, Stas Su??cov wrote:
> ??n data de Vi, 07-05-2010 la 00:32 +0200, Stevan Baji?? a scris:
> > On Fri, 07 May 2010 01:18:25 +0300
> > Stas Su??cov <s...@nerd.ro> wrote:
> 
> > > Thanks a lot for these tips, I'll try some of them and come back with
> > > results. Hope I'll have something interesting to report.
> > > 
> > THEY DON'T WORK NOW! I only purposed that DSPAM source could be changed to 
> > allow something like that. I mean that "*remote_addr*" part is NOT 
> > IMPLEMENTED!
> > 
> > 
> 
> Huh, looks like I missed that "could be" part.
> Though I will still consider the MySQL replication idea.
> 
> > > Reading all the above it's pretty clear for me that dspam wasn't
> > > designed as a tool to be used in cloud. I would think about it since all
> > > the software is trending into that direction.
> > >
> > DSPAM can and does work in a cloud. The only point is that DSPAM does not 
> > have a complex trasport mechanism. Normally people use MTAs for that and 
> > not a Anti-Spam application.
> > 
> > 
> 
> I think Internet evolves into something where a single MTA is just not
> enough, though a single AntiSpam server will still be enough. That was
> my main thought.
> 
> > > This is a classic setup of a client server situation, and as long as it
> > > doesn't have a simple solution, it leaves space for improvements.
> > > 
> > Look it from that point: Something like ClamAV is able to work in 
> > client/server mode. You can open a socket to the ClamAV daemon and send 
> > stuff to it and it will respond if the message is OK or not. DSPAM offers 
> > the same. It is capable to tell you if a message is SPAM or not.
> > You on the other hand want more. You don't want just the Anti-Spam engine 
> > to tell you if it is Spam or not (which btw DSPAM already is capable of). 
> > You want to pass the whole message to DSPAM and then let DSPAM do the 
> > evaluation and then DELIVER the message to another place. This is more then 
> > just simple/classical clinet/server operation.
> > 
> > Just out of curiosity: Does any of the other F/OSS Anti-Spam solutions in 
> > the wild allows complex transport logic? Which one?
> > 
> 
> Sorry, you're right, it is not that simple/classic. I'll try to be more
> precise.
> 
> I also don't know about anything similar I described as an Anti-Spam
> solution.   
> 

This sounds like something that can easily be addressed by running multiple
DSPAM instances on the anti-spam server, one for each MX. They can use the
same DB backend. Then each MX would need to deliver to the appropriate
DSPAM instance, a pretty trivial configuration.

Regards,
Ken

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