On 2013-08-16, boyd yang <[email protected]> wrote: > Hi Ian, > > I just see that exim can handle only 1000 concurrent connections(for > sending out emails via SMTP), more will get error with loadrunner.
??? it can only handle a singe connection, it forks a new process for each new connection. the maximum number of processes depends on your server but having more than 200 outbound connections from a single IP address is usually counterproductive IME. > Exim does not utilize full of the cpu/memory of the server. exim sends email, email is transported by the internet, the internet is really really slow. > I have this additional configuration: > root@mail:/etc/exim4/conf.d/main# cat 00_local_settings > smtp_accept_max=1000000 > smtp_accept_queue_per_connection=0 > queue_run_max=10000 > remote_max_parallel=1000 > smtp_connect_backlog=50 > > No error found in the log too. > > Any configurations can let Exim4 use all the resources like cpu/memory? > Thanks！ look at your testing procedures. perhaps load 100 emails with 1000 revipients spreat across 100 desination MXs per email into the queue and then spawn 50 queue runners. -- ⚂⚃ 100% natural -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
