Looking at yesterday's mass-check results: 0.445 0.4598 0.1144 0.801 0.75 2.70 MIME_BASE64_TEXT
It's not useful as a spam rule, not sure why it has such a high score. I'd
probably just make it an info rule if anything uses it, or otherwise remove it.
On Thu, Apr 24, 2008 at 03:58:55PM +1200, Jason Haar wrote:
> Hi there
>
> I'm getting more and more valid email from Windows environments that
> have been totally encoded in BASE64. Mixtures of Unicode and
> forwarding/replying seems to trigger things like Exchange to just
> re-encode the whole thing as Base64.
>
> Looking through our logs I can see a fair amount of mail getting scores
> between 5-10 that contain that rule - that look like they aren't spam.
>
> I can just reduce that score down to 0.5 to fix the problem for us -
> but do others think the current score of 2.7 is too high?
>
> --
> Cheers
>
> Jason Haar
> Information Security Manager, Trimble Navigation Ltd.
> Phone: +64 3 9635 377 Fax: +64 3 9635 417
> PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1
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