Gabor,

> Changelog writes:
> 
> | What's new in amavisd-new 2.6.3:
> | - added a configuration variable @client_ipaddr_policy, which maps smtp
> | client's IP address lookup lists to a policy bank name.
> 
> In this context what does "client" mean? So far I thought it is the
> MTA that passes mail to check to amavisd-new. However it seems that
> Postfix somehow forwards the address of its SMTP client and amavisd
> select policy bank upon this information.

Indeed, it is the IP address of a sending host, passed by Postfix
to amavisd via XFORWARD command in the SMTP protocol.

> I have more than one MTAs using a common spamfilter infrastructure.
> Is there any way to configure amavisd to choose policy bank by
> address of these MTAs or I have to make this decision on
> port number? (When every MTA sends mail on different ports of course).

True, you'd need to associate policy banks with port numbers
and let each MTA submit to amavisd on a different port number,
if you need to distinguish between them. It would be possible
to achieve similar through custom hooks, but unless you have
very many MTAs, the port-per-MTA approach is the simplest.

  Mark

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