Andrew Noonan:
> a delivery problem, nor a Postfix or system capacity problem. I tried
> turning some knobs with concurrency, but never saw postfix spin up
> smtp processes to max out those settings. I'm quite certain that the
> problem here is my config, but I'm not sure how to proceed.
...
> default_destination_concurrency_limit = 20
That is main.cf
> yahoo unix - - n - 25 smtp
> -o smtp_connection_cache_time_limit=15
> -o smtp_destination_concurrency_limit=30
> gmail unix - - n - 50 smtp
> -o smtp_connection_cache_time_limit=15
> -o smtp_destination_concurrency_limit=100
As documented, the _destination_concurrency_limit parameters are
implemented by the QUEUE MANAGER. Therefore setting them with the
SMTP client programs has no effect.
Wietse
