Re: Amavisd-new to qpsmtpd

[Matt Sergeant]

On 28 Nov 2005, at 18:03, David Beveridge wrote:

No, the external postfix process opens up a real time connection to 
qpsmtpd.
So when you are talking to port 25 (postfix) it is proxying it through 
to
qpsmtpd,
Kind of like how http requests are proxied through squid.
That is why 550 errors from qpsmtpd end up back at the original sender.

I'm confused by what this gains you though. Why not just 
qpsmtpd->postfix?