Re: [Asrg] Spam detection system proposal

[Keith Moore <moore@cs.utk.edu>]

> Consider:  To receive DSN notifications, the spammer can expect to
> receive between 10-20% of all the mail he sends out.  Sending
> 1,000,000 messages to different addresses is cheap.  Receiving 100,000
> to 200,000 copies of that same message to a single address (or even a
> few addresses) is not.

so the spammer pays that price once to clean up his list, and after
that, he only gets a few bounces back each time.

> If the spammer doesn't want to receive the message body in the DSN's,
> he or she will have to use a bulk precedence header. :-) 

which is not an indication of spam, and shouldn't be treated as such.

Keith
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