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- ----Original Message----
From: Dan Denton [mailto:ddenton@PAYLESSOFFICE.com]
Sent: Friday, 27 January, 2006 10:11
To: hfebelingjr@lycos.com; Larry Offley
Cc: security-basics@securityfocus.com
Subject: RE: www.readnotify.com
: It was my understanding that the overriding issue was not to block the
: emails entirely, but to prevent the accessing of the hidden image so as
: not to show the email was read.
:
: I'll concede that you would have to know the addresses of the web
: servers providing the image, but since no one has yet provided those,
: I'd say the tactic of blocking web access to www.readnotify.com is a good
: place to start (or if you happen to look at the HTML source, block
: domain name of the target image).
:
: With the various ways SPAMMERs use to spoof the source of an email, I
: think it would be more difficult to rely solely on the blocking of the
: email to solve your problem.
:
Dan,
This is true, but if what others have said about them using URLs to
redirect one to where they can read E-Mail sent to 'em.
That sounds like a LOT of "work" to block www.readnotify.com tricks,
i.e.
webbugs, iFrames, and .WAV files.
This is true, but I think that it's safe to say that we don't want to
"block" their E-Mails per se, but to as you've said in yer first paragraph
just block their tracking methods.
Herman
Live Long and Prosper
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