On 21.04.2012 16:13, Beauregard T. Shagnasty wrote:

 --- Original Message ---

> Jay Garcia wrote:
> 
>> Paul B. Gallagher wrote:
>>> Ed Mullen wrote:
>>>> I have absolutely no problem reading HTML newsletters and email in
>>>> SeaMonkey.
>>> 
>>> I often do, because I have remote images disabled to protect my
>>> privacy. And the trend is to track readership by using web beacons and
>>> hiding links behind redirects via a tracking service such as Constant
>>> Contact, Salsa Labs, etc.
>>
>> IIRC, the only way that remote images can present a problem is by the
>> use of an embedded javascript routine in the image url. JS is disabled
>> by default in TB.
> 
> No, that isn't the case. All it takes is a link to a remote image with 
> "parameters" added to the link. If you display remote images, you will be 
> tagged; JavaScript is *not* needed. Spammers have been doing this for at 
> least a decade or more. Sample:
> 
> <img src="example.com/images/trackyou.gif?
> r=gp2jgh04jwlbposwp&a=bitj396943kgoasetgo" width=1 height=1>
> 
> All those random-looking codes are specific to your particular email and 
> address. These are commonly called "web beacons" and the web host will 
> add you to the database of people who've read the email and have a valid 
> address. Expect more spam.
> 

Ok, the ones I ran across many years ago were JS related.


-- 
Jay Garcia - www.ufaq.org - Netscape - Firefox - SeaMonkey - Thunderbird
Mozilla Contribute Coordinator Team - www.mozilla.org/contribute/
Mozilla Mozillian Member - www.mozillians.org
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