Any thoughts on this?:

The PHP:

PHP Code:

  function obscure($eml) // ## Email Obfuscation Function
    {
     $len = strlen($eml);
     $out = '<UL>';
     for ($i = 0; $i < $len; $i++)
       {$out .= '<LI>&#'.ord(substr($eml, $i, 1)).';</LI>';}
     $out .= '</UL>';
     return $out;
    } 


The HTML:

<A CLASS="pobox">Please contact the webmaster: <?= obscure('fake@email.com'); ?></A>

The CSS:

/* ### Obscured Email Style */
 .pobox UL, LI       {display: inline;
                       margin: 0px;
                      padding: 0px;
               letter-spacing: 0em;}

The Result (Humans):

Please contact the webmaster: fake@email.com

The Result (Bots):

<A CLASS="pobox">Please contact the webmaster: <UL><LI>f</LI><LI>a</LI><LI>k</LI><LI>e</LI><LI>@</LI><LI>e</LI><LI>m</LI><LI>a</LI><LI>i</LI><LI>l</LI><LI>.</LI><LI>c</LI><LI>o</LI><LI>m</LI></UL></A>

Obviously, you loose the whole "mailto" bonus this way. But I've found that big boys and girls can cut and paste.
OR... you can target a script mailer to add the functionality on the back end.
Trust me, I can still take it.

Nice trick. I like it.