Educause Security Discussion mailing list archives

Re: AOL email concerns for nodak.edu (fwd)


From: Valdis Kletnieks <Valdis.Kletnieks () VT EDU>
Date: Thu, 28 Apr 2005 12:14:46 -0400

On Thu, 28 Apr 2005 11:38:25 EDT, Daniel Medina said:
On Thu, Apr 28, 2005 at 11:30:17AM -0400, Valdis Kletnieks wrote:
Please note that SenderBase can be *wildly* inaccurate - there have been
 While it may be inaccurate, I'm sure a quick glance will reveal a
"Hey, does dyn-reshall-xyz.dyn.myschool.edu really need to be sending
mail directly at all?"

 Clicking on that address for more information, I see it's in four
blacklists, but they never asked me about it.  Oops, time to take it
down.

 It's still a useful tool, even if the Richter-style metrics are not
accurate.

Oh, it is indeed useful, but I've found that a *lot* of people take all the
data SenderBase presents at face value.  I'd certainly not recommend shutting
a port down based on its numbers - but it's probably a good time to go check
your netflow and traffic statistics.....

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