On Thu, Jul 21, 2011 at 02:33:35PM -0700, Steve Fatula wrote:
> So, mail should go from postfix -> lmtp -> dspam -> smtpd on port 10026,
> but using some sockets instead of TCP.
That's fine. The layer-4 transport is not important.
> So, assuming I have this correct, does this then qualify as the
> so called advanced content filter technique
Yes. Because you are not doing fork/exec of complex code for each message,
the filter is resident and handles multiple messages, hand-off back to
Postfix is not via the slow serialized and I/O inefficient:
postdrop(1) -> maildrop -> pickup(8) -> cleanup(8) -> incoming
path.
--
Viktor.