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[TenTec] virus ??

To: <tentec@contesting.com>
Subject: [TenTec] virus ??
From: geraldj@isunet.net (Dr. Gerald N. Johnson, electrical engineer)
Date: Tue Mar 18 22:33:54 2003
The recent virus spoof originating addresses so what you see is probably
not where they came from. Careful digging in the detailed headers can
sometimes discover at least what server they came from, not necessarily
what ISP user. Fussing at the described originating address is now
mostly futile because of that spoofing.

On a similar vein, much spam sending software creates destination
addresses by starting with a huge list of e-mail names (e.g. the part
before the @ sign) and server url (the part after the @ sign) and sends
to addresses made up using every e-mail name and every server url. Many
bounce. Some don't. Those that don't bounce probably get moved to
"verified" direct e-mail mailing lists.

73, Jerry, K0CQ

-- 
Entire content copyright Dr. Gerald N. Johnson, electrical engineer.
Reproduction by permission only.
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