Feature Request: MailScannerWebBug

[Kai Schaetzl]

I noticed that I get lots of errors "File does not exist: 
/squirrelmail-1.4.0/src/MailScannerWebBug" and some such when people read 
mail via webmail. The term "MailScannerWebBug" is obviously what gets 
replaced for webbugs. I would like to have this configurable. Not sure 
exactly, how. Maybe:
- remove the tag at all
- leave the source blank or with #
- replace with a URL

Also, the detection seems to be a bit "dumb". It triggers on every 0 or 1 
pixel gif, no matter if it's a webbug or not. F.i. it triggers on:
http://anon.doubleclick.edgesuite.net/anon.dleclick/cms/EMEA/Palm/295666/N
ew/magic.gif
http://www.visualit.co.uk:81/OT000cGFsbUBhbmFlc3RoZXNpZS5uZXQA.GIF
http://ems6.net/r/?E=XTC-V1N-FQU8O-DD-GU8KF-2
http://www.enews.nu/cp/0406-2/images/spacer.gif
http://www.paypal.com/images/pixel.gif

The last two clearly are not web bugs, but spacer.gifs. So, if someone is 
reading these in html the layout may be garbled. A check might be 
advisable here (not for 0 pixel images, of course). Not sure, what to 
check, though. Maybe always leave alone things like "pixel" and "spacer"? 
(= have a positive list) The identification strings vary from digits to 
letters and if they are mostly letters I don't see a way to distinguish 
them from normal names.

- 

Kai

-- 
Kai Schätzl, Berlin, Germany
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