On Thu, 2006-05-18 at 12:39 +0300, Kai Risku wrote:
> While trying to the p0f passive OS fingerprinting integration to work
> in amavisd-new 2.4.1, I realized it depended on the Postfix XFORWARD
> feature (see http://www.postfix.org/XFORWARD_README.html).
XFORWARD NAME=spike.porcupine.org ADDR=168.100.189.2
PROTO=ESMTP
250 Ok
XFORWARD HELO=spike.porcupine.org
250 Ok
How strange. Normally this information would just be put into a
Received: header.
Reading the HOWTO, where it speaks about "Internet->MTA1->filter->MTA2
style content filter applications", it sounds like this is just a hack
to work around the kind of problem we had with older versions of Exim --
that a message would need to pass through Exim _twice_, because the
first would pass it to an external filter, which then passed it back
into Exim for actual delivery.
That problem is fixed in Exim -- I don't really see much need for
anything like XFORWARD.
What exactly does amavisd use this for? It sounds like there should be a
better answer.
--
dwmw2
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