On Wed, Oct 04, 2023 at 04:18:43PM +0200, Kevin Cousin via Postfix-users wrote:
> > We have a solution for that, and that is not slowing down message
> > arrivals or speeding up deliveries.
>
> Mails are arriving fast, they arrive quicly enough to fill the active
> queue.
SHOULD all these messages be eventually delivered? Or is a non-trivial
fraction generated inadvertently as a result of some sort of
misconfiguration.
Are these brief spikes, which can be drained in the time between
recurrences? Or is this a steady stream that's overwhelming your
output capacity?
If these are brief spikes, and the mail is legitimate, but not time-
sensitive, then it makes sense to route these to a separate MTA instance
or system where they only compete with each other, but not more
"real-time" mail sent by humans.
If this is a steady stream, you have to either reduce the input rate
upstream (working with the senders to send *less* mail, sending it
slower is not an option if messages are being created faster than
they can be delivered) or somehow get additional output capacity.
--
Viktor.
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