Recommended pre-queue setup for Postfix

[Marc Patermann]

Cristian,

Cristian Seres schrieb (08.11.2011 21:21 Uhr):

> I would like to get an opinion which is the best configuration for 
> incoming only Postfix mail gateway that should
>  - Reject virus, banned destiny and clear spam messages during SMTP 
> session. It is important for us not to send backscatter to forged sender 
> addresses. This implies using pre-queue setup for Amavis, right?
>  - Work in co-operation with opendkim-milter i.e. not break DKIM 
> signature - or configure amavisd-new to check DKIM with option to 
> discard email if sender domain's DKIM ADSP policy suggests to do so.
> 
> Is the best practice in this case to use smtpd_proxy_filter setting in 
> Postfix's main.cf and what are recommended settings to master.cf and 
> amavisd.conf to go with it? Or is there some better way to do it nowadays?
> 
> Amavisd-2.7.0, Postfix 2.6.6. About performance requirements: less than 
> 15k incoming email per month which will be divided to two or three MX 
> servers.
> 
> I am looking forward to your suggestions.
I use amavisd-milter here.
http://amavisd-milter.sourceforge.net/


Marc