On fredagen den 4 juli 2008, Michele Neylon wrote: > On 3 Jul 2008, at 22:06, Marc Perkel wrote: > > You can't spoof Forward Confirmed rDNS. > > But you can't stop $bigcorporations PCs getting compromised either
You don't have to. As long as there is a non-zero correlation coefficient
between some property of a mail message and its spamminess, you can assign a
score. The correlation coefficient doesn't have to be 1 or -1 - in other
words, the property, in this example the registrar of the domain of the
remote host, doesn't have to be a perfect indicator of spam or ham. It's
enough that mail from domains registered with some registrars are less likely
to emit spam than others.
> And I really love the way you completely ignored my example of
> gmail.com ....
Exceptions are possible to handle. After all, SpamAssassin is all about
combining and adding many various rules.
--
Magnus Holmgren [EMAIL PROTECTED]
(No Cc of list mail needed, thanks)
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