dynablock.njabl.org

Matt Kettler mkettler at evi-inc.com
Tue Jul 24 15:46:17 IST 2007


Matt Kettler wrote:
> Richard Frovarp wrote:
>> What sort of volume to you handle? I've never heard of anyone being
>> blocked by spamhaus.
> 
> Spamhaus has very recently been restricting usage of their servers. The actual
> statement by them is if you have more than 100 users, you need a datafeed.
> 
> A lot of this has to do with things like Barracuda boxes, which use spamhaus by
> default. Barracuda and other "spam appliance" companies have made and sold so
> many of these boxes to larger organizations without using a datafeed that it is
> beginning to swamp the spamhaus DNS servers.
> 
> See also:
> 
> http://www.spamhaus.org/faq/answers.lasso?section=Data%20Feed#134
> 
> AFAIK, Spamhaus is now using an automated rate-of-query analysis to detect
> servers which are maintaining a high rate of queries over a long period of time.
> Those sites are automatically blacklisted to cut load.
> 
> 

Side note before anyone misinterprets me: by "blacklisted" I mean blacklisted
from querying the spamhaus DNS servers, not actually listed as a spammer in the
SBL, XBL or PBL list.



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