[Samba] Re: nazi spam in German over list address
John E. Malmberg
wb8tyw at qsl.net
Mon May 16 19:13:44 GMT 2005
Daniel S. Haischt wrote:
> Basically if re-training your SPAM filter does not help and
> one really wants to get rid of all those junk mails, installing
> a challenge/response system like TMDA behind a statistical
> filter (e.g. DSPAM) would be a possible solution ...
No. All that a challenge response system would do is add a bunch of
challenges to forged addresses to the mess that the worm is creating.
It is hard enough to filter out this worm from all the infected hosts,
but realize that the list operators are also having to try and filter
out all the things that are incorrectly auto-responding to the forged
Challenge response systems are a plague to mailing list operators and to
any mail server operator who has had their domain forged by a virus or a
Many of the mail server operators that I know are now blocking on sight
any user and/or network that is using any Challenge Response system that
they receive a mis-directed challenge from.
My e-mail address is now under attack from mail servers that are not
using SMTP rejects.
All challenge response would do is increase the amount of junk that is
now coming in to it.
The same would happen to these lists.
Right now there should be filters in place that know about most of the
subject that this particular worm uses.
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