> This does sound like a good idea. Our spamtraps don't seem
> to get much
> spam like that, but a test looking for non-alphanumeric
> characters that are
> surrounded by alphanumeric characters might make some sense
> (which would
> catch "P/O/R/N").
We've picked up Kami's first suggestion to filter out certain special
characters. Searching for non-alphanumeric characters that are
surrounded by alphanumeric characters will also catch something like
C:\imail\spool
Domain\Username
0800-1234567
and a lot of other legitime constellations.
So we plan to add 3 different filter levels for body-content:
1 raw-data
2 html-free
3 specialchar-free
On the specialchar-level most non-alphanumeric are removed to detect up
to now hidden keywords.
This will be one of the next feature of our external test SPAMCHK.
Markus
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