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 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Archives: http://www.houseoffusion.com/cf_lists/index.cfm?forumid=4 Subscription: http://www.houseoffusion.com/cf_lists/index.cfm?method=subscribe&forumid=4 FAQ: http://www.thenetprofits.co.uk/coldfusion/faq Get the mailserver that powers this list at http://www.coolfusion.com Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
