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Matthew Byng-Maddick wrote:
> As far as I'm concerned, http://antispam.yahoo.com/domainkeys#a12 is a
> show-stopper.
AFAICS supporting 8bit-clean transmission on all transit systems is
necessary or the signing party has to convert the mail to
quoted-printables (I don't see the necessity of 8BITMIME on all
participating systems, as stated in the draft). This makes Exim unable
to be the signing party.
> The use of 384-bit keys worries me, especially following his claim about
> authentication of the domain.
I had a closer look at it this morning. I assume spammers will be able
to factorize RSA384 in less than a week. (Let's assume 1000 MIPS years
being necessary, a modern PC CPU does about 8000 MIPS, 20 PCs -- this is
today and a rather conservative calculation). This would require daily
rekeying, which is impracticle.
Andre
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Mein ZyXEL laeuft und laeuft und laeuft ...
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