Filters That Fight Back

[Bob Friesenhahn]

On Tue, 2 Sep 2003, Simon Huggins wrote:
>
> I've not talked about stalling.  Just bouncing at SMTP time i.e. sending
> a 5xx response.

This is only really effective when the other end is a traditional
best-effort MTA.  A specialized SPAM delivery program which delivers
the mail directly can simply move on to the next address.

Bob
======================================
Bob Friesenhahn
bfriesen at simple.dallas.tx.us
http://www.simplesystems.org/users/bfriesen