Sidney Markowitz said the following on 22/10/02 17:43:
Milt Epstein <[EMAIL PROTECTED]> wrote:

there are different definitions of
what spam is, and I'm sure it fits some of them.
[...]

appears to the person receiving the mail, it looks like spam and can
be dealt with as if it were spam.  It doesn't really matter how it
originated.

Actually it does matter. Spam is defined as unsolicited bulk commercial email
(UBCE). The definition is important because SpamAssassin functions only as
well as it can be tuned to distinguish between mail that is UBCE and mail that
is desired. Introducing mail that is not UBCE and is also not desired can only
tend to confuse the learning algorithm. This mail looks like a worm. There are
programs that are written to catch worms and viruses. By running an antivirus
filter on your system or mail server you efficiently deal with emails such as
this goldfish, you have software which is updated as new worms and viruses
appear, and SpamAssassin does not have to be slowed down with extra rules or
have to make compromises in order to classify those emails.
As an extra hint on this, I can highly recommend using clamav - an open source antivirus scanner. I've noticed a few bugs in it's mail parsing code (causing it to miss a few viruses), but overall I'm very happy with it.

I'm using the code at http://use.perl.org/~Matts/journal/8441 to block viruses at the SMTP level (full 5xx rejection). I highly recommend this if you're using qmail.

Matt.




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