Re: Spam submission rating

[Matti Aarnio <mea@nic.funet.fi>]

On Thu, Sep 05, 2002 at 11:48:19AM +0400, Eugene Crosser wrote:
> On Wed, 2002-09-04 at 23:08, Mariano Absatz wrote:
> > > Speaking of which, we are currently planning to deploy a thing that
> > > would collect "RCPT TO" rate by peer's IP address in realtime and
> > > degrade the service accordingly (a la "tarpit").  Anyone already done
> > > that with Zmailer?
> >
> > Nope... but are definitively interested in it... hoy do you plan to keep 
> > the rate info?  in-core? in a database? collecting info in a log and
> > parsing it every xxx seconds?

  What about busy email lists outside your own area with a plenty
  of subscribers in your system(s) / serviced by your ISP relay ?

  What about there being a network break, and such a list not being
  delievered to you in a day, and after service restoration, all
  of the accumulated backlog hits you ?

  I have seen these things mis-applied so much that I am extremely
  wary to implement and deploy any such a thing...


  The slow-down tarpit is less harmfull to legitimate feeds (if
  monitored properly!), than yielding 500-series responses, of course.


> -- 
> Eugene Crosser, head of Internet Applications section, +7 501 787 1000
> ROL, Teleross, Golden Telecom, http://user.rol.ru/~crosser/

-- 
/Matti Aarnio	<mea@nic.funet.fi>
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