[imp] RFC 822 - Security hole???

[Chris Hastie]

On Fri, 10 Jan 2003, Michael M Slusarz <slusarz at bigworm.colorado.edu> 
wrote
>Edit imp/lib/Headers.php and add/subtract any headers you want.  Be
>forewarned that this is NOT correct RFC behavior, and is a typical check by
>some spam checkers to mark a message as spam.

And of course, X-Originating-IP can be dealt with more easily by editing 
imp/config/header.txt or changing the value of 
$conf['msg']['prepend_header'] in imp/config/conf.php
-- 
Chris Hastie