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Re: spam

2003-05-29 16:47:40
On Thu, 29 May 2003, Iljitsch van Beijnum wrote:

However, creating new publick/private key pairs is an incredibly
expensive operation, and one that a legitimate email wouldn't have to
do very often, but a spammer would if we just keep blacklisting their
keys.

Of course, this results in another Type 3 attack, where you get messages
with lots of bogus keys, and you have to verify the keys.

                --Dean




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