I don't see the emails from the list.

[Jay R. Ashworth]

On Wed, Sep 26, 2007 at 09:46:50AM -0700, Bill Campbell wrote:
> Some ISPs are using ``grey listing'', a process in which messages
> are initially rejected with a 400 series SMTP message, later to
> be accepted.  The idea is that legitimate MTAs (Mail Transport
> Agents) will retry later while spammer's malware probably won't.
> This may result in delays sending messages to these ISPs.

The definition of greylisting that I have seen (and which I use, and
which doesn't work all that well anymore) is to put a higher-priority
MX pointed at a machine that doesn't accept incoming TCP/25 -- or
better yet, behind a firewall which ignores it.

Same result though.

Cheers,
-- jra
-- 
Jay R. Ashworth                   Baylink                      jra at baylink.com
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