[mdlug] Eduarda Mandou Uma Mensagem - Spam filtering at mug.org

[Rich Clark <rrclark@rrclark.net>]

On Sun, 11 Feb 2007, gib at juno.com wrote:

> 
> Yes, thank you Ray for all of the hard work. 
> 
> I see this topic, spam filtering is the topic for the mug.org meeting.
> 
> Tue, Feb 13, 2007
> Farmington Community Library - Main Branch
> 32737 W. 12 Mile Rd.
> Farmington Hills, MI 48334-3302 
> 
> Approx 6pm - 9pm.
>
>   Main Topic: Mail Server setup and configuration, with SPAM filtering
> Our speakers are Bill Allie, and Rick Harding
> 
> Spam has become a huge problem, clogging up our inboxes and the
> internet as a whole. there are estimates that 80-90 percent of all
> email is unwanted, unsolicited junk mail (spam). there's a number of
> ways to combat this problem. Our first speaker, Bill Allie has recently
> rebuilt his Linux based mail server and is going to tell us about
> setting up a basic mail server with SPAM and virus filtering using
> postfix (why postfix and not sendmail, he'll tell us), greylisting and
> segregator.
> 
> His goal was to stem the flow of junk mail (both SPAM and viruses) that
> his server had to handle. He'll discuss what he did to filter out the
> junk using open source tools. The discussion will cover the selection
> and configuring of the Mail Transport Agent (MTA), how to limit spam
> using SMTP policies, header restrictions, spam filtering software, and
> virus blocking software.
> 
> Rick Harding will add his input on using amavisd as the filtering end
> of the solution as well as some information on tweaking spamassassin. 
>

It looks interesting enough to attend. I've learned a lot from adminning 
my own email and the MDLUG server, enough to say that there is no one 
true solution to spamfighting. The trick is finding the combination of 
techniques that works for your particular situation.