Re: Spam fritters

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著者: D. J. Bernstein
日付:  
To: exim-users
題目: Re: Spam fritters
> if someone passes the messages via a qmail machine,

Not too likely, since qmail has had easy-to-use relay control since
January. (Put the acceptable domain names into control/rcpthosts.)

Of course, this merely shifts the spammers to other hosts; it doesn't
solve the problem. Quoting qmail/THOUGHTS, paragraph 2: ``There are lots
of interesting remote denial-of-service attacks on any mail system. A
long-term solution is to insist on prepayment for unauthorized resource
use. The tricky technical problem is to make the prepayment enforcement
mechanism cheaper than the expected cost of the attacks.''

> Suggestions of what we do to the
> people who started this


Sue them. Internet attacks would drop off rapidly if people put some
effort into tracking down, drawing, and quartering the attackers.

(Anonymous mail is a fine idea as long as it's accompanied by some
anonymous cash.)

---Dan