On Thu, 16 Feb 2012, JP Kelly wrote:

I am getting a bunch of spam with white text on a white background. Any ideas 
how to catch it?
Here is an example:

<p style="color:#FFF; font-size:1px; width:600px;">

At the risk of playing whack-a-mole:

 rawbody   HTML_TEXT_WHITE_SHORT  /style="color#FFF;/

The short color code is probably unlikely to appear in legitimate HTML styles.

There should be stock rules for things like white 1px text, but I'm too lazy to go look right now. :)

--
 John Hardin KA7OHZ                    http://www.impsec.org/~jhardin/
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