I use an "off-the-radar", licensed shareware email client. Although the
client will display properly formatted html email, I rarely allow it. I love
my mail client. :)

> You don't even have to view the mail if the gif is near/at
> the top and the
> user has something like Eudora's "message preview pane"
> set.  (But then
> again, how many of the target demographics have even heard
> of Eudora ;-)

> OTOH, for legit opt-in mail, the message preview pane can
> also give a false
> (too high) indication of how many messages were read.

> best,  paul

> At 10:23 AM 1/13/03 -0800, you wrote:
>>Yep.. One of the ways that spammers, these days, collect
>>info on valid email
>>addresses when using HTML email campaigns.  You simply
>>view the email, and
>>BAM.. they know your email address is good.
>>
>>Old news
>>
>>
>>
>>| -----Original Message-----
>>| From: Costas Piliotis [mailto:[EMAIL PROTECTED]]
>>| Sent: Monday, January 13, 2003 10:04 AM
>>| To: CF-Talk
>>| Subject: RE: web beacons
>>|
>>|
>>| Oh yeah, and you can pass url parameters to that image
>>as
>>| well... So let's say you send an email to employeeid
>>145.
>>|
>>| You can add a parameter the the src of the gif file in
>>the
>>| html email you send him as such:
>>|
>>| <img src="http://www.myserver.com/image.cfm?id=145";>
>>|
>>| Then in the source... Of image.cfm, something like this
>>| appears: <cfcontent file="foo.gif"
>>| type="application/whatever"> <cfquery
>>datasource="#application.ds#">
>>|       insert into someTable (employeeid, date)
>>|       values (#val(url.id)#, getdate())
>>| </cfquery>
>>|
>>| -----Original Message-----
>>| From: Costas Piliotis
>>| Sent: Monday, January 13, 2003 10:00 AM
>>| To: CF-Talk
>>| Subject: RE: web beacons
>>|
>>|
>>| Easy.
>>|
>>| <cfcontent file="foo.gif" type="application/whatever">
>>| <cfquery datasource="#application.ds#">
>>| ...tracking query here...
>>| </cfquery>
>>|
>>| You include the image, and some server-side code to
>>process
>>| it.  Done it a few times...
>>|
>>| -----Original Message-----
>>| From: sebastian palmigiani [mailto:[EMAIL PROTECTED]]
>>| Sent: Monday, January 13, 2003 9:52 AM
>>| To: CF-Talk
>>| Subject: web beacons
>>|
>>|
>>| Yahoo is using something called web beacons. Can anyone
>>| simply explain how a single pixel gif is used as a web
>>beacon.
>>|
>>http://privacy.yahoo.com/privacy/us/pixels/details.html
>>
>>
>>Sebastian
>>
>>
>>
>>
>>
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s. isaac dealey                954-776-0046

new epoch                      http://www.turnkey.to

lead architect, tapestry cms   http://products.turnkey.to

tapestry api is opensource     http://www.turnkey.to/tapi

certified advanced coldfusion 5 developer
http://www.macromedia.com/v1/handlers/index.cfm?ID=21816

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