[Dshield] RE: Spam Filter for MS Exchange Server

David Hart DavidHart at TQMcube.com
Tue Jan 20 22:18:57 GMT 2004


On Tue, 2004-01-20 at 16:40, Deb Hale wrote:
> Donald - 
>   >> How much $$$ are you allowed to spend. 
>      I guess it depends on the features of the program.  This is a small not
> for profit organization and the funds       
>      aren't unlimited, however the President is a deaconess in her church
> and is very offended by some of the smut mail.  
>      I think somewhere between $300 to $1000 depending on the features and
> the reliability.
> 
Dare I ask about converting to Linux? That eliminates the cost issue.
Properly crafted Regular Expression header and body filters should
eliminate offensive spam WITHOUT generating false positives.

>    >> Will it be integrated with your Corp virus wall? 
> 	They are using Symantec Nav for Exchange.  It would be great if they
> can integrate.
> 
>    >> Are false negatives (positives) acceptable and WHICH would your CEO
> rather have.
> 	Either - they have a person in the office that manages their
> network, that person would also be tasked with 
>       checking the trash bin and forwarding any mail that is held by
> mistake.  
> 
>    >> If a little spam gets in but no real email gets dropped is that ok. 
> 	I would say yes.  I would like to also offer them a solution that
> lets them pick and choose who they have in their 
>       accepted list. Allow them to train the software :) - add email that
> are ok and ones to always block. (I use Postini 
>       - and I can add domains and individuals to my rejected filter.)
> 
>    >> Or would he rather have no spam (ok that's not really available) and
> loose a few real emails?
> 	I have already warned them that none of the solutions are 100%.
> They have to be trained :) and this takes a while,  
>       and the spammers continue to get creative and figure out ways to fool
> the filter. Again, it is the matter of 
>       training the software what is acceptable.
> 	
>  Deb
> 
> Donald.Smith at qwest.com GCIA
> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xAF00EDCC
> I violate protocols for a living:-)
> 
> > -----Original Message-----
> > From: Deb Hale [mailto:haled at pionet.net]
> > Sent: Tuesday, January 20, 2004 2:14 PM
> > To: list at dshield.org; handler at incidents.org
> > Subject: Spam Filter for MS Exchange Server
> > 
> > 
> > I am looking for a spam filter program to run on an Exchange
> > 2000 server (25
> > users) to filter junk before it hits the users inbox.  (The 
> > President of the
> > company is tired of all of the Viagra ad's and breast 
> > enlargement ad's. :)
> > ) I am looking for input from the "experts" about which are 
> > the best.  Do
> > any of you have any recommendations? Anyone used this type of 
> > software that
> > can recommend which is the best? 
> > 
> > Deb
> > 
> > 
> > 
> 
> 
> 
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