nanog mailing list archives

Re: karl and paul, expostulating


From: dvv () dvv ru (Dima Volodin)
Date: Thu, 20 Feb 1997 16:17:22 GMT

On 19 Feb 1997 21:55:30 -0800, you wrote:

"KD" == Karl Denninger <karl () Mcs Net> writes:

 KD> or a 421 error, which keeps the spam at the source (loading the
 KD> spammers mailserver -- a GOOD thing!)

Are you joking?  There's not a spammer alive that uses sendmail or
something that would similiarly requeue on temporary failure.

 KD> Much more elegant, in my opinion.

Assuming that 'sendspam' would actually maintain a queue.  

Paul's solution has its own elegance: raising the price for allowing
antisocial behavior from bounced email to partial loss of
connectivity.  But like Paul said, raising the stakes like that just
invites someone to try and one up him.

What's so elegant about that if a spammer with elementary knowledge
about SMTP and DNS can easily bounce his stuff off of any of the
thousands of unsuspecting hosts and/or use unsuspecting forwarding
name servers in the slave mode?

Daniel Simms                    There is more than one way to burn a book. 

Dima
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