On Mon, Jun 23, 2014 at 04:07:58PM +0200, Daniel wrote:
> Our concurrency parameters should allow the backlog to be sent much faster,
> which means I am most likely missing something obvious in my configuration.
You're missing something obvious in your configuration:
Despite:
> smtp_destination_concurrency_limit = 10
Rate delays force the concurrency limit to 1, with at most one
message delivery at a time.
> smtp_destination_rate_delay = 1s
Rate delayes are "overrated", don't use them. Instead work with
domains to which you send high volumes of mail to establish a
feedback loop and get whitelisted.
--
Viktor.
