Score on attachments

[Alex Neuman]

What about not allowing messages with forbidden attachments through at all?

In any case, you might want to try something like this:

mimeheader SCR_ATTACHED Content-Type =~ /scr/i
describe SCR_ATTACHED email contains an scr file attachment
score SCR_ATTACHED 1.0
In




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On Fri, Jun 27, 2014 at 11:27 AM, Max Kipness <max at inmindlabs.com> wrote:

> >>* Max Kipness <max at inmindlabs.com> [2014-06-27 11:15]:
> >> I sometimes get spam with attachments that are usually SCR files. For
> >> example just a few minutes ago I received about 401k fund
> >> participants/performance. Everything on my MailScanner system is
> setup
> >> correctly. I'm using Bayes (manual), Razor, Pyzor, DCC, custom rules,
> >> you name it. So this message received a Bayes 999, which is correct.
> But
> >> nothing else was triggered. I'm looking at some type of custom rule,
> but
> >> I sure would be nice if we could score on an attachment present in
> >> general, or certain extensions like an SCR. Or if we could score on
> the
> >> fact that the message was caught by MailScanner with an attachment
> >> warning.
>
> >It's been awhile since I looked at this, but I was under the impression
> >that this was covered by normal, uncustomized, rules:
> >
> >1) MailScanner.conf has
> >
> >   Filename Rules = %etc-dir%/filename.rules.conf
> >
> >2) filename.rules.conf has
> >
> >    deny    \.scr$     Possible virus hidden in a screensaver  Windows
> Screensavers are often used to hide viruses
> >
> >But you say that everything is set up correctly, so I'm almost
> certainly
> >missing something.
>
> Thanks for the response Paul.
>
> MailScanner is indeed blocking the SCR and sending a report about the
> attachment. The problem is, this email was a spam message, it's score
> was 3.7(bayes 999 only) so it still got through (but with the SCR
> stripped).
>
> So I'm looking to add a score on the SCR, adding 1.0. In reality you
> could add 20.0 for SCR because I don't ever see a legitimate need to
> send these. If I had an extra score to add to the bayes 999 it would not
> have gotten through.
>
> Or better yet, how about adding a score on (Filename?) attachment
> warning? That would probably be best. Add 1.0 score to any of those.
>
> If anyone know how this can be achieved please let me know. In the past
> I've had many of these having to do with Fax, Xerox spam, etc.
>
> Max
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