Re: zen.spamhaus.org

[Jerry Durand]

On Jun 1, 2007, at 9:48 AM, Ken A wrote:
see http://www.spamhaus.org/zen/

Quote from that page:

"Do not use ZEN in filters that do any ‘deep parsing’ of Received  
headers, or for other than checking IP addresses that hand off to  
your mailservers."