HTML entities (Was: Re: mass processing with mutt and Fcc)

[Parker Morse]

On Tuesday, April 1, 2003, at 04:16  PM, Janne Nikula wrote:
> Thinking about this lead me to think about other possibilities of
> intentional obfuscation in HTML.
>
> I don't recall receiving junk mail like this so far, but one of the ways
> to effectively break bogofilter's functionality to analyze HTML messages
> is to randomly replace normal characters with numerical entities.

A technique already being used against spammers - when I need to put an 
email address on a web page nowadays, I encode the entire address that way.
  It allows me to make a functioning mailto: link which isn't functional (I 
hope) to spammers' address-scrapers.

pjm