Patrick Chemla:
Wietse:
> > OK, so you can turn back on that connection caching. Note that
> > qmail creates and destroys two processes per SMTP session, so
> > reusing a session is also a win from a CPU resource point of view.
Patrick:
> If I do so, will postfix open more than one connexion to each qmail for
> parallel deliveries?
Of course. Connection caching is a performance IMPROVEMENT feature.
However, some qmail implementations are patched and turn on
TARPIT delays when the client sends many messages or recipients
over the same SMTP connection.
Wietse
