[TAG] Spam missing Subject header

[John Karns]

On Mon, 5 Jul 2004, Ben Okopnik so eloquently said:

> On Mon, Jul 05, 2004 at 12:53:29AM -0500, John Karns wrote:
> > A trick some spammers seem to be using now is to leave out the Subject 
> > header.  Anyone have a suggestion about how to deal with that in 
> > .procmailrc?  Is it possible?
> 
> Why is it a trick? Is it supposed to somehow bypass your filtering?

That's my supposition.  E.g., if I have procmail set to filter on subject 
header, then they bypass any filtering on subject, including an empty 
header.

--  
John Karns