On Thu, Jul 16, 2015 at 12:21:46AM -0700, E.B. wrote:
> Another question about policy service run under postfix spawn---
Using spawn is not mandatory you know. You could run a small pool
(1 or more) of processes each of which handles multiple concurrent
smtpd connections. So long as the policy services don't block for
an unpredicably long time while handling smtpd(8) requests, they
should be able to support more than one smtpd(8) connection.
Each such service would have to use asynchronous requests to perform
any "remote" DNS lookups, or any other actions with a potential to
block for a long time (seconds rather than milliseconds).
--
Viktor.
