Spam and Viruses, Vandalism-l, the Mailing List from Hell.

Paul Schmehl pauls at
Sat Jan 27 04:54:58 UTC 2007

--On January 26, 2007 10:16:57 PM -0600 Martin McCormick 
<martin at> wrote:

> 	Has anyone gotten the port
> /usr/ports/mail/antivirus-milter to work?
> 	The system in question runs FreeBSD5.4 with sendmail and
> bogofilter.  Bogofilter is excellent at helping sort messages in
> to spam or other folders if you generate a large wordlist.
> 	One category of junkmail, however, is not true spam.  It
> is more a form of hacking in that it tries to implant viruses
> like Johny Appleseed only this guy is Johny weedseed.
> 	I got antivirus-milter to make and install but it
> immediately failed when started:
> antivirus[53446]: externalcommand()
> failed to execve() /system/av/decullotage/uvscan
Uvscan is McAfee's antivirus product.  Did you install it?  There's a conf 
file in the files directory of that port.  It defines AVSCANNER as 
"/usr/local/bin/uvscan".  That would require that you have McAfee 
Antivirus for FreeBSD installed.  If this machine handles lots of mail, I 
wouldn't suggest you use that.  Uvscan launches a shell for each time it's 
called, and it will suck a lot of cpu and memory (based on our extensive 
comparison testing.)

I would recommend that you install either clamav (security/clamav) or your 
school's commercial product *if* it has a daemon for FreeBSD.  If it's a 
shell program like McAfee, I would *not* recommend it.

Once you have the av product installed, edit the conf file appropriately 
and you should be up and running.  You'll find the conf file in 

Paul Schmehl (pauls at
Senior Information Security Analyst
The University of Texas at Dallas

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