Re: Save me from spams

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From: "Scot L. Harris" <webid@xxxxxxxxxx>

> On Wed, 2005-02-09 at 11:53, arora.himanshu@xxxxxxxxx wrote:
> > Hi Folks,
> >              I am suffering from serious spam problem. I know that i
> > can use spamassassin for this purpose but my system administrator has
> > disabled this facility might be he thinks that it would slow down the
> > server. I have no way to detect spams. I used procmail, it works for
> > 20% of the cases because i used some specific dictionary words to
> > check for spam because these mails are related to some particular
> > subject. I cannot filter the mails because the mails are from
> > different email IDs. The idea of using specific dictionary word failed
> > because they used some special characters to represent some characters
> > e.g. they used /\ for A. 1(one) or | (pipe) in place I( I for Indigo)
> > \/ (backslash and forward slash ) for V.
> >             I want a program which is not heavy in terms of CPU cycles
> > consumed, which i can run from from my home directory(independent of
> > binaries installed on the server). Might be a simple perl script. 
> > Please reply me from where  i can get this program. It need not be
> > very accurate. 70% to 80% accuracy is fine.
> > 
> > Himanshu Arora
> 
> Your email administrator should implement greylisting on the server. 
> This will provide significant relief (possibly as much as 90 to 99%)
> without imposing heavy CPU or bandwidth load on the server.  It is
> available for most of the major MTAs out there (sendmail, postfix, etc).

Another thing this person can do is run SpamAssassin on his own
machine with the configuration under his control. One key to the
whole thing is fetchmail. With that you can drag down your own
mail, feed it to a tool such as procmail, and have procmail run
SpamAssassin for you on your own machine. That means you can put
in all the rules and training you want.

(And since SpamAssassin is a perl based tool there are even ways
to run it on Windows machines.)

{^_-}


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