On Wed, 21 Apr 2004 11:15:29 +1000, Ian A. White wrote:

> Stranger still. This message was picked up as spam, but your other
> reply was not.

> Now one thing common to both messages is the word SpamPal in
> unquoted text so I am wondering if when this message gets to the
> list it is gets flagged as spam!

The answer is easy. SpamAssassin checks mailheaders against lists
of known Spam relays (DNS Blocking Lists).

When we compare the relevant parts of the headers of John's two
messages, we see this:

(From the "Spam" mail):

> Received: from gizmo02bw.bigpond.com ([144.140.70.12])

(From the "Clean" mail):

> Received: from gizmo10ps.bigpond.com ([144.140.71.20])

So. John's messages were handled by different relaying servers.
My educated guess is that the IP address 144.140.70.12 is black-
listed on one or more public DNSBL servers and 144.140.71.20 is not.

        
Arjan
-- 
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