Readnotify doesn't primarily rely on web bugs, so setting your email client
to NOT download images will not protect you.
See El Reg: The battle for email privacy
http://www.theregister.co.uk/2004/07/30/email_privacy/
Eric
www.risk-averse.com
:-----Original Message-----
:From: Ebeling, Jr., Herman Frederick [mailto:hfebelingjr@lycos.com]
:Sent: Wednesday, January 25, 2006 11:13 AM
:To: Larry Offley
:Cc: security-basics@securityfocus.com
:Subject: RE: readnotify.com
:
:-----BEGIN PGP SIGNED MESSAGE-----
:Hash: SHA1
:
:- ----Original Message----
:From: Larry Offley [mailto:lucullus@telus.net]
:Sent: Wednesday, 25 January, 2006 03:43
:To: hfebelingjr@lycos.com
:Cc: security-basics@securityfocus.com
:Subject: Re: readnotify.com
:
:: Yes and no. First we need to know how they know you read
:your e-mail. I
:: common way is the use of a "Web bug" these usually consist of a small
:: 1x1 image file usually the same color as the back ground of a html
:: e-mail message or transparent. This method is easy and works on all
:: platforms (Linux/mac/pc). If you use a mail client that doesn't auto
:: download referenced images, then the server hosting the image can't
:: tell you have read the message. Read the provided wiki link
:for more on
:: the subject.
::
:: Wiki on web bugs http://en.wikipedia.org/wiki/Webbug
::
:: Larry Offley
::
:: Ebeling, Jr., Herman Frederick wrote:
:: : -----BEGIN PGP SIGNED MESSAGE-----
:: : Hash: SHA1
:: :
:: : Does anyone know anything about a web site called
:: : (http://www.readnotify.com/)? If so does anyone know of anyway to
:: : prevent it from sending it's return receipts to the sender?
:: :
:: : Herman
:
:Larry,
:
: Thanks for the link, I'll read it as soon as I get done
:with my E-Mail.
:Can O2k be set so that it doesn't auto download images? if so
:where does one go to change the setting?
:
: Ok, what about their "self-destructing" E-Mail, E-Mail
:that the sender can "revoke," preventing the recipient from
:either printing or forwarding an E-Mail? How do they do those
:things???
:
:Herman
:Live Long and Prosper
: ___________________ _-_
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