On Thu, Jan 03, 2002 at 05:35:09PM +1000, Adrian Bolzan wrote:

> 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

Make Postfix run on the same box, on another port (e.g. 1025 or 10025)
We're running TrenMicro VirusWall on top of Postfix on the same box.

> 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.

Good idea.

> Of course, this is all based on my non-existent statistics on performance
> issues...

I'd think that simple regexp matches are faster than piping whole mail
through AV software.

-- 
Ralf Hildebrandt (Im Auftrag des Referat V A)   Ralf.Hildebrandtcharite.de
Charite Campus Virchow-Klinikum                 Tel.  +49 (0)30-450 570-155
Referat V A - Kommunikationsnetze -             Fax.  +49 (0)30-450 570-916
Remember, all software sucks. Some sucks more, and some sucks less. But it
sucks regardless. If I want to see something elegant I go look for a piece
of art. 
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