18.03.09, 18:27, "Wietse Venema" <wie...@porcupine.org>:
> devel anaconda: > > Hello everybody! > > > > I have a little problem with local delivery performance. Due to > > specific mail routes (it's complicated), on a couples of my SMTP > > gateways, I have to deliver all local mail to another smtp:host:25. > > I do the following: > > > > myhostname = external.mydomain.com > > mydomain = mydomain.com > > mailbox_transport = smtp:internal.mydomain.com:25 > > default_process_limit = 1000 > > > > > > When "internal.mydomain.com" unreachable, I have queue about > > 200.000 queued mails on my "external.mydomain.com". > > And when internal.mydomain.com comes back, my external.mydomain.com > > delivers mails to it very, very slow. About 50-60 mails per second. > > I though, that it is postfix's weakness, but when I do the following: > > > > mydomain = fakedomain.com > > relayhost = [internal.mydomain.com] and restart postfix, all queue flushes > > to internal.mydomain.com 20 times faster (about 1000 mails per second), > > than if it mailbox_transport = smtp:internal.mydomain.com:25. > > > > My question is - how can I get _MAXIMUM_ performance of local > > delivery by smtp/lmtp. As fast, as forwarding by "relayhost"? Due > > to specific of my mail-routing, I can't use "relayhost" scheme. > To maximize the delivery rate, don't use mailbox_transport, which > forces Postfix to delivery mail via the local delivery agent first. > The local delivery agent has a safety mechanism that gives each > recipient only a low concurrency level. > Wietse Thank's for the reply. So, instead of mailbox_transport, what should I use? Thank you again.
