Re: PRA algorithm and use of non-standard header fields

In <A261C940-D6D3-11D8-896F-000393A56BB6(_at_)glyphic(_dot_)com> Mark Lentczner 
<markl(_at_)glyphic(_dot_)com> writes:

> On Jul 15, 2004, at 6:20 PM, Roy Badami wrote:
>
> > A few people (myself included) have raised concerns about the
> > dependence of the PRA algorithm on non-standard header
> > fields.
> If you are referring to the three headers, Delivered-To, X-Envelope-To
> and Envelope-To, in my last meeting with the authors of marid-core, it
> was agreed to remove them from the algorithm.  With reference to
> marid-core-01, you can consider step 3 in section 4 to be deleted.

How much does the removal of these headers change the effectiveness
and false positive rate of the PRA algorithm?


-wayne