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Re: virus/spam filtering relay
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: Re: virus/spam filtering relay
- From: "W.D.McKinney" <deem_(_at_)_wdm_(_dot_)_com>
- Date: Thu, 11 Dec 2003 14:40:29 -0900
On Thu, 2003-12-11 at 13:01, robert schwartz wrote:
> Is one such recipe.
> There are lots however, you have to start at the beginning: What SMTP
> server do you want to use? Postfix, Sendmail, Qmail, etc?
> Answer that question then your googling will be better.
> For a relay box, I'd probably select Qmail and use the SMTPROUTES file
> and DNS MX records to move all the mail from the Internet to the relay
> then on to the final host (since it requires almost no knowledge of
> Qmail to set this up and Qmail has good performance as a relay only).
> The best way IMO to do this with Qmail would be qmail-scanner,
> spamassassin, and clam AV. I have many boxes I've built for people to
> do exactly what you're asking with this same "recipe". There's
> mountains of information on how-to configure all these products together
> (start with Qmail and qmail-scanner and all the rest will fall into
> place), one caveat: I can't seem to make the clamav daemon work on
> OpenBSD, so I use the clamscan option in qmail-scanner instead the the
> clamdscan option.
> For sendmail you probably need the libmilter support and patches for
> clam, as well as procmail to hook sendmail into spamassassin.
> > -----Original Message-----
> > From: owner-misc_(_at_)_openbsd_(_dot_)_org [mailto:owner-misc_(_at_)_openbsd_(_dot_)_org]
> > On Behalf Of Teren
> > Sent: Thursday, December 11, 2003 11:29 AM
> > To: misc_(_at_)_openbsd_(_dot_)_org
> > Subject: virus/spam filtering relay
> > Hi, I tried to find a tutorial/instructions on how I can
> > setup a server that will virus scan email and detect spam
> > then relay the mail to my actual mail server but I couldn't
> > find any examples/tutorials on google. Has anybody done such
> > a thing or can they point me in the right direction? Thanks
> > Teren
We use a commercial product, Barracuda Networks Spam/Virus Firewall that allows us
to accept SMTP from specified domains and forward to specified domains and ports.
Qmail is our MTA and yes qmail-scanner with clamav is very nice. So is rbldns and rblsmtpd
for stopping SPAM.
Combined with OBSD, now there is the cat's meow.