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Election 2006 (and beyond): Digital Copyright Canada

The FLORA Help Desk

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Re: CANNING SPAM WITHOUT EATING UP REAL MAIL

From: "Adam H. Kerman" <ahk_-at-_chinet.com>
To: flora-admin-help_-at-_flora.ottawa.on.ca
Date: Thu, 18 Jul 2002 10:33:29 -0500 (CDT)

On 07/18/02, at 10:12am -0400, Russell McOrmond <russell@flora.ca> wrote:

>  Things are getting worse all the time with the Microsoft Viruses and
>general SPAM.  I am in the process of investigating EXIM
><http://www.exim.org/> as a replacement for Sendmail. The filtering with
>EXIM is much easier to configure than with Sendmail, which will allow me
>to configure more site-wide filtering rules.

Russell, cannot procmail itself be used for site-wide incoming mail delivery?

>  The question becomes: what rules?

Please block HTML alternate-part attachments.

>One I want to run is a filter which will simply disallow the sending of
>any of the standard "executable" attachment types.

How about uuencoded attachments? Any I get invariably are from trojan horse
type thing.

You want to send a reply informing people citing URLs with the steps to take to
improve their own security so they are less vulnerable to trojans? Such as
disabling Javascript processing:

How to disable Jscripting in OE 4 and OE 5
http://support.microsoft.com/default.aspx?scid=kb\;EN-US\;q192846

How to disable in OE 5, article
http://securityresponse.symantec.com/avcenter/security/Content/2000_05_12_ii_oe5.html

We're using Spam Assassin on Chinet: http://www.spamassassin.org/

No global rules, but individually configured. Good way to get rid of all the
Chinese and Taiwanese domains.



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