Hello again,

On Wed, 24 Mar 2010 Sebastien Guignery wrote:

> I use Clam on Linux system and i search to add a specific disclaimer
> when clamav don't scan the .zip file with password.

Another disclaimer?!  What a complete waste of time and energy...

> Ce message est prot?g? par les r?gles relatives au secret des
> correspondances. Il est donc ?tabli ? destination exclusive de son
> destinataire. Celui-ci peut donc contenir des informations
> confidentielles. La divulgation de ces informations est ? ce titre
> rigoureusement interdite. Si vous avez re?u ce message par erreur,
> merci de le renvoyer ? l'exp?diteur dont l'adresse e-mail figure
> ci-dessus et de d?truire le message ainsi que toute pi?ce jointe.
> This message is protected by the secrecy of correspondence
> rules. Therefore, this message is intended solely for the attention
> of the addressee. This message may contain privileged or
> confidential information, as such the disclosure of these
> informations is strictly forbidden. If, by mistake, you have
> received this message, please return this message to the addressser
> whose e-mail address is written above and destroy this message and
> all files attached.

... just like this.  You've already told a couple of thousand people
on this mailing list a load of complete tripe.  If you send me a mail
message I'll do with it exactly what I want to do, including posting
it to all the Internet if I feel so inclined.  There's nothing that
you can do about that, and there is no protection at all, for any mail
that you send to me, in any "regles" or "rules", even if you sent the
mail to me by accident.  This disclaimers-in-footers thing is bad joke
that's getting out of hand, and you'd be much better employed telling
the legal jobsworths to take a hike, and then employing some competent
network security people.

Having said that, you can do what you want with MIMEDefang if you wish,
but ClamAV won't do it for you.  The best you can do is mark it with a
mail header, which less than 0.1% of your users will know how to find.
Still less will know what it means.  For information on how to do that
please read

man clamd.conf

Also read that same man page to find out why, even if you did exactly
what you're asking to do in your post, there are all sorts of other
reasons why compressed files might not be scanned.  For example if you
didn't scan a .rar file because, well, it's a .rar file, and, further,
because it isn't a .zip file you _didn't_ then tell the recipient that
the file hasn't been scanned, do you then make yourself liable to the
recipient for _not_ telling him it wasn't scanned - when if you simply
never did anything (even for .zip files that you hadn't scanned) you
wouldn't have been liable?

<rant>
It's a insanity, and as far as I can tell the only reason that it's
continuing is so that a conspiracy of already overpaid legal thieves
can fleece even more money out of their already overburdened victims.
Why on Earth do we put up with them?
</rant>

--

73,
Ged.
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