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Re: [Asrg] Re: bounces, and anit-spam principles

2007-01-23 04:58:10
On Mon, 22 Jan 2007, gep2(_at_)terabites(_dot_)com wrote:

OK, so let's say Aunt Matilda's system gets a virus on it, and starts sending
out spam (sooner or later, MOST machines will be infected at least once...!)
Now what?

Her machine gets quarantined and her ISP helps her (manually or via a
special web site) to fix her computer. This is not quite a pipe dream -
see http://wesii.econinfosec.org/draft.php?paper_id=47
(You can Google for an HTML version.)

And what about the case where Aunt Matilda's system IS NOT infected, never has
been, but where her mail services is impacted (as mine has been) by SOMEONE
ELSE's machine being infected, and forging HER return address on the e-mails?

The blacklists I'm talking about work on IP addresses not email addresses.

They also deal with the vast majority of spam very cheaply.

"Cheaply" isn't necessarily "well".

It is if you use the right blacklists, e.g. the Spamhaus ones.

Tony.
-- 
f.a.n.finch  <dot(_at_)dotat(_dot_)at>  http://dotat.at/
SHANNON: NORTH 6 OR 7, OCCASIONALLY GALE 8. ROUGH OR VERY ROUGH. SHOWERS.
GOOD.

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