[AccessD] OT Friday: Comodo AntiSpam

Someone may be interested in this critique:
http://linuxmafia.com/faq/Mail/challenge-response.html

Regards
Steve

Gustav Brock wrote:
> Hi JC et al
> 
> JC has sent this out, so now you cannot get to him directly. Aside
> the good intentions behind doing so, this will cause a lot of
> trouble, and I don't say too much if I - as a general warning -
> mention that the consensus between system people is, that as tempting
> these challenge-response system my seem, they represent a bad idea
> because the negative impact outweighs the positive.
> 
> If you or your client run a mail server, I can strongly recommend
> SpamBunker:
> 
> http://www.aimconsulting.ch/Spambunker/sbk-strategy.asp
> 
> which is not free but cheap, and is superior to the common mail
> filtering systems. Thus, it requires no "learning", no maintenance,
> it works from the minute it is installed, and it handles massive
> amount of spam and/or mail even on modest hardware. We operate it
> here where we went from about 4000 spam mails per day to a handful
> per week after we had been under a week long attack with constantly
> 20 connections and more than 16000 connections per day.
> 
> As a result we now promote this to our clients with serious spam
> troubles.
>