From: "Geo." 

How are you rejecting unknown? Lots of servers are using non standard
techniques to prevent email harvesters from working and that can mess up
outlook.

Geo.

"Mike N."  wrote in message
news:4tdnpvo9sq7lj09qn37hss59937cp78t35{at}4ax.com...
> Much like stupid Outlook treats "Unknown recipient".   The
message will
just sit in the
> outbox until the user notices it and removes it.  In the meantime it will
retry the
> message thousands of times per day.   I wonder if it thinks that by trying
often enough
> that the unknown account will magically appear?
>
> On Sat, 25 Oct 2003 20:55:18 -0400, "Geo."
 wrote:
>
> > The spammer servers seem to treat
> >everything like a 4xx error, retry retry retry..
>

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