http://www.howtoforge.com/linux_spam_filter_mail_gateway
Essentially what this does, is place a linux based box in front of your
exchange server, that receives inbound mail, scans it for spam, and
viruses, and then passes it to your exchange box for final delivery to
the recipient.
I set up MailScanner to always deliver all mail (except viruses) with
{Spam?} appended to the subject line of potential spam messages.
Then you just need to configure outlook with a rules wizard to move all
mail with {Spam?} in the subject line to a "Junk" folder.
I prefer to just deliver possible junk to the end user, with that rule
configured, they don't get spam in their inbox, yet there is a very easy
place for them to look for false positives.
This also gets one less port on your M$ box off of the public internet.
always a good thing.
Robert Toole
rtoole < at > tooleweb.ca
TekBudda wrote:
> I figured the list has been a bit quiet lately so I thought I would stir
> up some conversation, debate & maybe a bit of controversy. ;-)
>
> I know this will raise some hackles but this is a Windows Server 2003
> (Small Business) running Exchange 2003 and the clients are Outlook 2003.
> I would like to find some that is cross-platform and open-source as
> there is potential to move a Linux box or possible virtualized box into
> the network in the future. We host the server there and our DNS records
> are hosted eleswhere, so people are essentially e-mailing us directly.
>
> What I envision is something that traps the spam as it is coming into
> the server and preferably moves it into a "Review" folder to make sure
> we don't lose any ham. I would like something that is trainable and
> possibly relies on multiple lists or multiple ways to classify and deal
> with the spam. The filtering system in exchange is ok but like
> everything else MS it is limited adn doesn't quite cut the mustard.
> Also...I do have a couple mailboxes that are still active but are not
> checked on the client side at this moment so no client-side flitering is
> done on them. This means that they seem to attract more spam.
>
> A couple of products I have looked at are ASSP, SpamBayes and a couple
> other ones whose names escape me at the moment. From the looks of it
> the 2 above are POP3 proxies that seem to do what I want. I was also
> thinking of using a client solutions like SpamPal in conjunction with
> one of these on the client that might be able to catch stuff that was
> missed.
>
> Is ther anyone who has experience with these or other solutions that
> anyone could suggest? The AV solution we use is TrendMicro SMB product
> so if something integrates with that...even better.
>
> If people would prefer to contact me off-list that is fine.
>
>
>
>
>
>
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