[Operators] How-to fight with SPAM accounts

Jesse Thompson jesse.thompson at doit.wisc.edu
Wed Dec 9 15:07:42 CST 2009

On 12/3/2009 2:42 PM, Peter Saint-Andre wrote:
> On 12/2/09 2:35 PM, Adam Seabrook wrote:
>> I have not been reading all of this thread so I apologise if this has
>> already been raised. Why not just set up something similar to
>> www.senderbase.org where we all report the number of messages received
>> from each server and each account. Any server or account that has an
>> uncharacteristic increase in messages can be blocked or flagged to the
>> server operator.
> Hey, I work for Cisco, let me poke the IronPort guys about their
> SenderBase stuff... ;-)

IronPort (for email spam) is expensive.  Of course, there's nothing 
wrong with charging for a valuable service (it may even be necessary for 
a for-pay service initially, since the xmpp spam problem seems to be 
limited to only a few big services at this time.)  In the long run, not 
everyone would be willing to pay.  So, IronPort could be part, but not 
all, of a solution.

Ideally, if IronPort got into this business, we would want them to 
expose their blacklist using a common protocol.  e.g. SpamHaus is 
queried just like every other public DNSBL, but they charge for the service.


   Jesse Thompson
   Division of Information Technology, University of Wisconsin-Madison
   Email/IM: jesse.thompson at doit.wisc.edu

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