Subject: Re: Spam suggestion...
To: None <current-users@netbsd.org>
From: Dan Melomedman <dan@devonit.com>
List: current-users
Date: 02/23/2004 16:17:15 
netbsd@purk.ee wrote:
> Hi,
> 
> You can blame your ISP or YOURSELF if DNS (reverse) are misconfigured!
> 50% spammers doesn't have correct reverse DNS!

Where may I find research confirming this statement?