RE: poll: filter message when ClamAV is down

Hi Joe,

I am still hesitant.  The issues you describe (the false positive viruses) make 
me want to wait.  I am also still kicking around the
idea of moving my mail server off to my new XServe behind the firewall.  This 
machine will be running OD so I can manage my
authentication and e-mail from the same db.  I could do as you suggest and have 
my existing PO system (which is also the gateway)
pre-process and forward mail as you discussed.  This would also prevent me from 
having to port map my mail server out from behind
the firewall.  This is not a bad idea given that I could keep the SA and clamav 
load on the gateway system which would then not be
running any pop3 or imap connections.

How do you set this up in PO to forward all mail to another server???

Dan

> -----Original Message-----
> From: Joe Savelberg [mailto:joe@xxxxxxxxxxx]
> Sent: Monday, June 21, 2004 12:46 PM
> To: post_office@xxxxxxxxxxxxxxx
> Subject: RE: poll: filter message when ClamAV is down
>
>
> Dan,
>
> Go for the upgrade to Post.Office 3.6 because the ClamAV module works
> nicer than my anti-virus script. It sits in front your mailboxes
> instead of inside the mailboxes. You can still run my anti-virus
> script side by side to do additional filtering for unknown viruses or
> to block certain attachments.
>
> Although clamd crashes from time to time (I haven't been able to
> track down the cause), it is automatically restarted by a script I
> wrote which continuously checks the presence of clamd. So although
> the crashes are annoying, there's no harm done.
>
> I went so far and installed a 10 user Post.Office 3.6 with ClamAV on
> one of our backup Xserves and modified the MX of our primary domain
> to that Xserve so that all messages that come in on that domain will
> get virus checked and then Post.Office re-routes the messages to the
> final mail server (which is still on FreeBSD). It caught around 4000
> viruses in the last 12 hours since I installed it. In the coming
> days, I will decide whether I should keep this setup and if clamd is
> stable enough for the mail load were getting.
>
> Joe.
>
>
> At 08:22 -0600 21/06/2004, Dan Tappin wrote:
> >I wonder if the spamassassin plug-in does the same thing?  I have
> >noticed the odd message flagged as spam but the spam score is less
> >then my set score.
> >
> >Why would Tenon do this?  I am guessing it was not on purpose.  If
> >it was it needs to be fixed or some sort of config file for the
> >plug-in's so that the more advances sys-admins can fix this kind of stuff.
> >
> >To add to my vote I would add that I was planning to upgrade just
> >for the virus scanning but this issue is making me re-think the
> >idea.  I just got my new G5 XServe / XServe RAID on Friday and I
> >have bee kicking around the idea of moving to Post-fix which I
> >assume I can configure to not do this.
>
> --
> -----------------+----------------+----------------------------------
> Jochen Savelberg | Euregio.Net AG | domain registrations, co-location
> joe@xxxxxxxxxxx  | Wirtzfeld 140  | hosting, marketing, entertainment
> Online Producer  | 4760 Bullingen | consulting, training, development
> MIS/IT Director  | Belgium        |      http://www.euregio.net
> -----------------+----------------+----------------------------------
> Internet Services since 1995 - AFS-Returnee '93, Belgium to Australia
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