[Mailman-Users] looping

Vidar Langseid vl at ez.no
Mon Oct 9 17:46:49 CEST 2000

What about introducing mail-quotas. That may limit the problem (or at
last the impact).

Besides, beeing able to limit max postings per user a day would be a
nice feature.


On Fri, 6 Oct 2000, Nigel Metheringham wrote:

> yan at cardinalengineering.com said:
> > For now I've set the "reply to" to sender, which should keep that
> > noise to a minimum, but I'd like to go back to replying to the list.
> > Is there any way to prevent this? 
> In short, no.  You cannot defend easily against gratuitously broken 
> software.  I would personally see if there was an identifying mark in 
> the headers for the mailer that guy was using and use that as a 
> selector to catch incoming mail to the list.  I'd also probably just 
> block the whole originating domain of that guy in my MTA, but I have a 
> nasty inclination.
> Maybe we should attempt to detect an unusual rate of posting from an 
> address and start holding mail from them - this is fraught with 
> problems and is bound to not work when it matters.  Can anyone suggest 
> an algorithm that might have a chance of detecting stuff - there is 
> some rate detection in the bounce handlers I believe.
> 	Nigel.

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