Am 07.09.2014 um 02:03 schrieb Alex: > Outbound mail need not be delivered immediately. I'd like to somehow control > the flow of outbound mail to avoid > saturating the 10mbs link we have to the Internet, as well as possibly > affecting our reputation with Gmail and Yahoo. > > I experimented with (local|default)_destination_concurrency_limit some time > ago, and users were complaining about > "connection refused" errors, if I recall correctly, because I think it > affected inbound SMTP connections as well
things like below staring with smtp_ can't affect inbound by definition smtp_destination_recipient_limit = 15 smtp_initial_destination_concurrency = 2 smtp_destination_concurrency_limit = 2 smtp_destination_concurrency_failed_cohort_limit = 10 smtp_destination_rate_delay = 1 smtp_connection_cache_time_limit = 3