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Date:      Mon, 30 Dec 2002 15:10:56 -0800
From:      Terry Lambert <tlambert2@mindspring.com>
To:        Dave Hayes <dave@jetcafe.org>
Cc:        dever@getaclue.net, freebsd-chat@FreeBSD.ORG
Subject:   Re: Bystander shot by a spam filter.
Message-ID:  <3E10D280.458E221D@mindspring.com>
References:  <200212302207.gBUM74175262@hokkshideh2.jetcafe.org>

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Dave Hayes wrote:
> SPAM is not a technical/internet problem. It's a cultural problem. The
> same force that puts billboards on highways and infomercials on
> television brings you SPAM. =Nothing= you can do will really be
> effective at completely stopping it without blocking legitimate email.

Issuing time-limited certificates that grant permission to send
email to participating mail servers, and which will not be
reissued after a SPAM event, by way of the contractual obligations
of the issuing authority, will make the cost be the cost of a
domain registration, and potentially the cost of an IP address
block assignment.

This raises the economic cost of sending SPAM, to the point that
it may no longer be economically feasible to send it.

-- Terry

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