On Mon, 14 Jan 2002, Jason Baker wrote:

> On January 14, 2002 09:48 am, you wrote:
> >
> > One thing though: Where exactly is this filtering performed in postfix?
>
> The general method is to have postfix feed the messages to the virus scanner,
> which then sends them back to postfix on a new port,and configure postfix to
> listen to that port in such a way that it doesn't send the message to the
> virus scanner.
>
> This is obliquely referenced in the Postfix FAQ at:
> http://www.postfix.org/faq.html#scanning
>
> The example there only touches on getting the information to the scanner.
> The Amavis documentation is a decent starting point, but in short:
>
> Added to master.cf:
> vscan unix - n n - 10 pipe user=vscan
> argv=/usr/sbin/amavis ${sender} ${recipient}
> localhost:10025 inet n- n - - smtpd -o
> content_filter=
>
> That defines the vscan transport, which the first postfix sends the mail to.
> The second line creates the scanless transport for delivery.
>
> Added to main.cf:
> content_filter = vscan:
>
> That tells postfix to send mail to vscan by default.
>
> Hope that helps.

Note that this method has some overhead:

* more complicated

* any message is twice in the queue, and thus consumes more server
  resources.

-- 
Tzafrir Cohen                        /"\
mailto:tzafrirtechnion.ac.il        \ /  ASCII Ribbon Campaign
Taub 229, 972-4-829-3942,             X   Against  HTML  Mail
http://www.technion.ac.il/~tzafrir   / \
For help, email discuss-helpmandrakesecure.net; to unsubscribe send a
message to discuss-unsubscribemandrakesecure.net.  To visit MandrakeSecure,
go to http://www.mandrakesecure.net/.

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]