Postfix: limit outgoing mail throttling - Deimos.fr / Bloc Notes Informatiquesmtp_destination_concurrency_limit = 2 smtp_destination_rate_delay = 1s smtp_extra_recipient_limit = 10 default_destination_concurrency_limit: This means that postfix will up to two concurrent connections per receiving domains. The default value is 20. default_destination_rate_delay: Postfix will add a delay between each message to the same receiving domain. It overrides the previous rule and in t
