Adrian Bolzan wrote:
> On 3 Jan 2002 at 7:12, Ralf Hildebrandt wrote:
> > On Thu, Jan 03, 2002 at 01:15:44PM +1000, Adrian Bolzan wrote:
>
> > > For in:
> > > Internet --> Postfix (Header/body matching, on DMZ)
> > > --> Postfix + Antivirus (on DMZ)
> > > --> Groupware server (Internal)

> > Why do you want to split the two Postfix machines?
 
> With professional anti-virus software it seems they listen on Port 25
> (the ones i have checked) and only seem to be able to send to one SMTP
> server. I am not really sure what other arrangement you mean. I had
> header/body content matching on the first server just as a way of
> reducing what gets to the second postfix server, which will be doing
> more intensive work, such as checking for viruses in attachments, etc.

if you're using a recent enough postfix, you can use 'content_filter'.

we use rav antivirus, but several virus scanners have inline content
filter type virus scanners.

i have:
content_filter = smtp:127.0.0.1:10025

in main.cf

and:
127.0.0.1:10026 inet n - n - 1000 smtpd
        -o content_filter= -o myhostname=ravscan.zugzug.hq.newdream.net

in master.cf

w
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